Czechia / EU · October 2026 · Colour-coded original functionality

12 Nokia, Sony Ericsson & Samsung phones in 2026: what still works?

Twelve classic and 4G phones from 2007–2026, now including Samsung GT-S5610 (2011) and GT-S5611 (2014). Compare up to six devices side by side or any two directionally, with Czech networks, original functions, app shutdowns and 2026 buying problems considered.

291 compared functions12 in selector · max 6 visibleLive filters + directional gapsWorks offline

Model identity matters: Nokia 6300 4G (announced 2020) is NOT the original 2007 Nokia 6300. Nokia 235 4G 2nd Edition (2026) is NOT the 2024 first edition. The original 5310 (2007) charges through a separate 2 mm connector. Do not confuse 4G data support with guaranteed Czech VoLTE calling.

Feature status WorksConditionalLimitedUnavailable in 2026Not built inUnavailable in 2026 = originally existed, but no longer usable because networks, servers, authentication or compatibility changed. Not built in = the model never had that function. Grey and red are both unusable today, but for different reasons.

Historical availability matters: A feature that never existed is grey; a feature originally present but lost by 2026 is red. For example, Nokia 5310 (2007) has no 3G radio (grey), while E52 has a 3G radio but no Czech 3G network (red). The 2026 Nokia 235 2nd Edition has a 3G radio but Czech networks were already switched off before its release; the network is red because the radio exists but the service is gone. Original KaiOS WhatsApp/Google Assistant on 6300, 8000 and 8110 is red after its retirement; the Nokia 235 never included those exact KaiOS services (grey).

Nokia 5630 XpressMusic

2009 · 83 g · S60, Wi-Fi on RM-431, music keys, Micro-USB; no integrated GPS.

Nokia E52

2009 · 98 g · S60 business functions, 1500 mAh original battery, Wi-Fi, standalone GPS.

Sony Ericsson K850i

2007 · 118 g · 5 MP autofocus with xenon flash; FastPort; no Wi-Fi or GPS.

Sony Ericsson W995

2009 · 113 g · Walkman, 8.1 MP AF, Wi-Fi, built-in GPS, stereo speakers.

Sony Ericsson Cedar J108i

2010 · 84 g · Micro-USB, 3.5 mm, microSD; no Wi-Fi / GPS.

Nokia 5310 XpressMusic

2007 · 70.2 g · S40, music keys, FM/RDS, 2 MP; data-only Micro-USB and 2 mm charging.

Nokia 6300 4G (2020)

KaiOS; LTE, GPS/GLONASS, Wi-Fi hotspot and 3.5 mm audio. 0.3 MP camera; WhatsApp and Google Assistant retired.

Nokia 8000 4G (2020)

KaiOS 4G phone with 2.8-inch display, 2 MP + LED camera, GPS/GLONASS and Wi-Fi hotspot. Some original online services retired.

Nokia 8110 4G (2018)

Curved slider, LTE, GPS and Wi-Fi hotspot. KaiOS online services vary; WhatsApp retired in 2025.

Nokia 235 4G 2nd Edition (2026)

S30+ with 4G, USB-C, 2.8 in IPS display, front camera and new Xpress Chat/AI services. No Wi-Fi/GPS.

Samsung GT-S5610 (2011)

2011 · 91 g · Samsung feature-phone platform, 5 MP autofocus + LED, 2G/3G, Java ME, FM recording, Micro-USB, 3.5 mm; no GPS/Wi-Fi/LTE.

Samsung GT-S5611 (2014)

2014 · 91 g · Similar 5 MP autofocus, FM recording and Java ME; 256 MB internal storage, but no standard standalone torch shortcut, Wi-Fi/GPS/LTE.

Comparing

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1. Original hardware specifications

Original hardware data where verifiable, including both Samsung Primo-series models. 2026 service availability is separate from original radio specifications. Numeric ranking compares documented values only; original battery capacity, megapixels and physical dimensions are not direct quality scores.

Hardware characteristic	Nokia 5630 XpressMusic	Nokia E52	Sony Ericsson K850i	Sony Ericsson W995	Sony Ericsson Cedar J108i	Nokia 5310 XpressMusic (2007)	Nokia 6300 4G (2020)	Nokia 8000 4G (2020)	Nokia 8110 4G (2018)	Nokia 235 4G 2nd Edition (2026)	Samsung GT-S5610 (2011)	Samsung GT-S5611 (2014)
Release year	2009	2009	2007	2009	2010	2007	2020 announcement; sales began 2021	2020 announcement; Czech sales began 2021	2018	2026 · 2nd Edition (NOT 2024 Nokia 235)	2011	2014
Category / original positioning	XpressMusic Symbian phone	Eseries business Symbian phone	Cyber-shot camera feature phone	Walkman flagship feature phone	GreenHeart entry-level feature phone	Compact XpressMusic feature phone (2007 original)	KaiOS 4G candybar feature phone	KaiOS 4G feature phone, glossy all-plastic styling	KaiOS curved slider feature phone	S30+ 4G keypad feature phone	Samsung Primo / traditional camera keypad phone	Samsung GT-S5611 successor / traditional camera keypad phone
Operating system	Symbian 9.3 / S60 3rd FP2	Symbian 9.3 / S60 3rd FP2	Sony Ericsson A200 proprietary + Java ME	Sony Ericsson A200 proprietary + Java ME	Sony Ericsson A200 proprietary + Java ME	Nokia Series 40 5th Ed FP1 (not Symbian)	KaiOS 2.5.x	KaiOS 2.5.x (original generation; update availability uncertain)	KaiOS 2.5.x	S30+ (not KaiOS; not Android)	Samsung proprietary feature-phone firmware + Java ME	Samsung proprietary feature-phone firmware + Java ME
Processor	600 MHz ARM11	600 MHz ARM11	Not reliably specified by manufacturer	Not reliably specified in Sony user guide	No verified manufacturer CPU clock	Processor clock not established by original Nokia docs	Qualcomm Snapdragon 210, quad-core 1.1 GHz	Qualcomm QC8909 / Snapdragon 210, quad-core 1.1 GHz	Qualcomm 205, dual-core 1.1 GHz	Not specified by HMD	Manufacturer clock not reliably verified (some secondary sources claim ~468 MHz)	Approx. 460 MHz (independent specs; Samsung manual does not publish CPU details)
DisplayDisplay diagonal (inches)	2.2 in, 240 × 320	2.4 in, 240 × 320	2.2 in, 240 × 320	2.6 in, 240 × 320	2.2 in, 240 x 320	2.0 in, 240 × 320	2.4 in · 240 × 320 QVGA	2.8 in · 240 × 320 QVGA	2.45 in · 240 × 320 QVGA	2.8 in IPS · 240 × 320 QVGA	2.4 in TFT · 240 × 320 QVGA	2.4 in TFT · 240 × 320 QVGA
Dimensions (H × W × D)Body thickness (mm)	112 × 46 × 12 mm	116 × 49 × 9.9 mm	102 × 48 × 17 mm	97 × 49 × 15 mm (closed)	111 x 49 x 15.5 mm	103.8 × 44.7 × 9.9 mm	131.4 × 53 × 13.7 mm	132.2 × 56.5 × 12.34 mm	133.45 × 49.3 × 14.9 mm	128.85 × 55.8 × 12.86 mm	118.9 × 49.7 × 12.9 mm	118.9 × 49.7 × 12.9 mm
WeightWeight (g)	83 g	98 g	118 g	113 g	84 g (some sources round to 85 g)	70.2 g	104.7 g	110.2 g (independently reported)	117 g	106 g	91 g	91 g
Original battery / nominal capacityOriginal nominal battery capacity (mAh)	BL-4CT · 860 mAh	BP-4L · 1,500 mAh	BST-38 · 930 mAh	BST-38 · around 930 mAh	BST-43, 1,000 mAh	BL-4CT · 860 mAh	1,500 mAh · removable	1,500 mAh · removable	1,500 mAh BV-6A · removable	1,450 mAh · removable	Removable Li-ion · 1,000 mAh	Removable Li-ion · 1,000 mAh
Manufacturer GSM standby rating	Up to 400 h	Up to 552 h	Up to 400 h	Up to 370 h	Up to ~420 h (published claims vary by network and region)	Up to 300 h (12.5 days)	Up to 25.1 days in 4G standby (laboratory)	Up to ~25 days on 4G standby (launch-era claim; not real-world)	Up to 25 days in 4G standby, single SIM (laboratory)	Up to 12 days (manufacturer claim, lab)	Up to ~960 h GSM standby (historic lab claim; actual surviving battery varies)	Original laboratory standby claim varies by network; not directly comparable
Original audio endurance claim	Up to 25 h music	Varies by use	No dependable comparable claim	Up to 20 h music	Depends on settings and music files	Up to 18 h music (Nokia laboratory claim)	Not verified as directly comparable	Not verified as directly comparable	Up to 48 h music playback (manufacturer claim)	Not specified by HMD	Not reliably specified in comparable tests	Not reliably specified in comparable tests
SIM	Mini-SIM (2FF)	Mini-SIM (2FF)	Mini-SIM (2FF)	Mini-SIM (2FF)	Mini-SIM (2FF)	Mini-SIM (2FF)	Nano-SIM (single/dual-SIM regional variants)	Nano-SIM; single/dual SIM configurations by market	Micro-SIM (some dual-SIM variants include nano slot)	Dual nano-SIM	Mini-SIM (2FF) · single SIM	Mini-SIM (2FF) · single SIM
European GSM radio bands	GSM 900/1800 + 850/1900	GSM 900/1800 + 850/1900	GSM 900/1800 + 850/1900	GSM 900/1800 + 850/1900	GSM 850/900/1800/1900	RM-303: GSM 900/1800/1900; RM-304: 850/1800/1900	GSM 900/1800 MHz (EU)	GSM 850/900/1800 MHz on HMD European specification	GSM 900/1800 MHz (EU)	GSM bands 3/5/8 (1800/850/900 MHz)	GSM 850/900/1800/1900	GSM 850/900/1800/1900
3G radio bands	RM-431 UMTS 900/2100	UMTS 900/2100	UMTS/HSDPA 850/1900/2100	European W995 UMTS/HSPA 900/2100; W995a differs	J108i UMTS/HSPA 2100 (J108a has other bands)	None — 2G only	UMTS bands 1/5/8 (radio exists; Czech 3G gone)	UMTS bands 1/5/8 (radio exists; Czech 3G retired)	UMTS 850/900/2100 MHz (EU; network gone CZ)	WCDMA bands 1/5/8 (Czech 3G gone)	UMTS/HSDPA 900/2100 (EU; no Czech 3G in 2026)	UMTS/HSDPA 900/2100 (EU; no Czech 3G in 2026)
2G data	GPRS / EDGE	GPRS / EDGE	GPRS / EDGE	GPRS / EDGE	GPRS / EDGE	GPRS / EDGE	GPRS / EDGE	GPRS / EDGE	GPRS / EDGE	GPRS / EDGE (chipset/region-dependent throughput)	GPRS / EDGE	GPRS / EDGE
4G LTE / 5G	No	No	No	No	No	No	LTE Cat4; EU B1/3/5/7/8/20 (no 5G)	LTE Cat4; EU bands 1/3/5/7/8/20 (no 5G)	LTE Cat4; EU B1/3/5/7/8/20 (no 5G)	4G LTE; B1/3/5/7/8/20/28 etc (no 5G)	No LTE or 5G	No LTE or 5G
Wi-Fi radio	802.11b/g on RM-431 only	802.11b/g	No	802.11b/g and DLNA	No	No	2.4 GHz 802.11 b/g/n; hotspot	2.4 GHz 802.11 b/g/n; native Wi-Fi hotspot	2.4 GHz 802.11 b/g/n; hotspot	No Wi-Fi	No Wi-Fi	No Wi-Fi
Bluetooth	2.0 + EDR	2.0 + EDR	2.0, stereo A2DP	2.0, stereo A2DP	Bluetooth 2.1 + EDR/A2DP	Bluetooth 2.0 + A2DP	Bluetooth 4.0	Bluetooth 4.0 (HMD; some Czech databases disagree)	Bluetooth 4.1	Bluetooth 5.0	Bluetooth 3.0 + A2DP	Bluetooth 3.0 + A2DP
USB / charging connector	Micro-USB	Micro-USB	Sony Ericsson FastPort (proprietary)	Sony Ericsson FastPort (proprietary)	Micro-USB 2.0	Micro-USB DATA + separate Nokia 2 mm CHARGER	Micro-USB 2.0: charge + data	Micro-USB 2.0: charging + data	Micro-USB 2.0: charge + data	USB-C: charge + data	Micro-USB 2.0 · charging and data	Micro-USB 2.0 · charging and data
3.5 mm headphone jack	Yes	Yes	No — FastPort/adapter	Yes	Yes, 3.5 mm	Yes, 3.5 mm	Yes · 3.5 mm	Yes · 3.5 mm	Yes · 3.5 mm	Yes · 3.5 mm	3.5 mm standard audio	3.5 mm standard audio
Memory-card format	microSDHC	microSDHC	M2 or microSD (one combined slot)	Memory Stick Micro (M2) only	microSD / microSDHC	microSD (manufacturer 4 GB advertised)	microSDHC	microSDHC	microSDHC	microSDHC	microSDHC	microSDHC
Memory-card size	Officially up to 16 GB	Officially up to 16 GB	Capacity varies by card/firmware; test	Up to 16 GB commonly documented; 8 GB bundled	Up to 16 GB commonly documented; verify card	Nokia advertised optional 4 GB; other cards need testing	32 GB (official)	32 GB (official)	32 GB (official)	32 GB (official)	microSDHC, typically up to 16 GB (verify card/firmware)	microSDHC, typically up to 16 GB (verify card/firmware)
Original internal storage	Around 60 MB	Around 60 MB	Around 40 MB	Up to 118 MB	Approx. 280-290 MB	Approx. 30 MB	4 GB built-in; 512 MB RAM	4 GB built-in; 512 MB RAM	4 GB built-in; 512 MB RAM	128 MB internal; 64 MB RAM	108 MB (advertised; usable free space smaller)	256 MB (independent specifications; usable free space smaller)
Rear cameraRear camera resolution (MP)	3.2 MP, fixed-focus/EDOF	3.2 MP, fixed-focus	5 MP with autofocus	8.1 MP with autofocus	2 MP fixed focus	2 MP, fixed focus	VGA (~0.3 MP) · fixed focus	2 MP · fixed focus	2 MP · fixed focus	2 MP · fixed focus	5 MP autofocus	5 MP autofocus
Still-photo flash	Dual LED	LED	Xenon + LEDs for video	LED	No	No photographic flash	LED flash	LED flash	LED flash	LED flash (HMD spec + manual)	Single LED flash	Single LED flash
Front video-call camera	Yes	Yes	Yes	Yes	No front camera; rear camera could be used in 3G video call	No	No	No	No	Yes · VGA front camera	No front camera on standard GT-S5610; S5610K regional variant differs	No native front-facing camera
Integrated GPS	No	Yes (A-GPS capable)	No	Yes (A-GPS capable)	No	No	Yes · GPS / A-GPS / GLONASS	Yes · GPS / A-GPS / GLONASS (HMD spec)	Yes · GPS / A-GPS	No GNSS receiver	No GNSS/GPS	No GNSS/GPS
Electronic compass	No	Yes	No	No documented magnetometer	No	No	Not documented	Not documented	Not documented	No	No magnetometer	No magnetometer
FM tuner	FM with RDS	FM with RDS	FM with RDS	FM with RDS	FM radio (RDS supported in specifications)	Stereo FM with RDS	FM, wired headset antenna	FM, wired headset antenna	FM, wired headset antenna	FM with OR without headset antenna	FM with RDS and radio recording (wired headset antenna)	FM with RDS and radio recording (wired headset antenna)
Music hardware	Dedicated playback buttons	Normal music controls	Media player, no standard jack	Walkman keys, 3.5 mm, stereo speakers	Ordinary media player, no Walkman transport keys	Dedicated music keys; DAC-33 audio chip	Local player; no dedicated music keys	Local player; no dedicated Walkman-style keys	Local music player; no dedicated Walkman keys	Local MP3 player, Xpress Chat (service-dependent)	MP3/AAC/WMA player, radio recording; no dedicated XpressMusic keys	MP3/AAC/WMA player, radio recording; no dedicated Walkman keys
Notable physical extras	Music keypad	Eseries shortcut keys	Touch-sensitive softkeys, camera mode switch	Slider, integrated video kickstand	GreenHeart, on-device guide, plain keypad	Ultra-light 70.2 g; USB data does NOT charge	Wi-Fi LTE hotspot; KaiStore software (service-dependent)	Glossy, curved-edge keypad design; LTE hotspot; KaiOS apps (service-dependent)	Curved slider; open to answer / close to hang up	Torch; voice AI (data/SIM-dependent); Xpress Chat video calls (service-dependent)	Camera shutter key; LED torch accessible via keypad shortcut on documented original firmware	Camera flash LED present; independent flashlight shortcut is absent on typical GT-S5611 firmware

No measured hardware disadvantage for this pair under the stated numeric rules.

Sources: Nokia 5630 User Guide (2009) · Nokia 5630 service manual (RM-431 / RM-432) · Sony Ericsson K850i · Sony Ericsson W995 · Sony Ericsson Cedar J108i · Sony Ericsson Cedar J108i · Nokia 5310 XpressMusic · Nokia 5310 XpressMusic · Nokia 5310 XpressMusic · Nokia 5310 RM-303 · Nokia 5310 · Nokia 8000 4G · specs · Nokia 8000 4G · Czech review · Nokia 8000 4G · independent specs · Samsung GT-S5610 manufacturer manual · Samsung GT-S5611 manufacturer manual · Independent Samsung S5611 hands-on

2. Calls, SMS, MMS and mobile networks

All twelve support GSM voice and SMS on suitable Czech 2G networks. The Samsung S5610/S5611 also have 3G radios, but Czech UMTS is switched off; neither Samsung supports LTE or VoLTE.

Original function	Nokia 5630 XpressMusic	Nokia E52	Sony Ericsson K850i	Sony Ericsson W995	Sony Ericsson Cedar J108i	Nokia 5310 XpressMusic (2007)	Nokia 6300 4G (2020)	Nokia 8000 4G (2020)	Nokia 8110 4G (2018)	Nokia 235 4G 2nd Edition (2026)	Samsung GT-S5610 (2011)	Samsung GT-S5611 (2014)	2026 functionality / verification
Ordinary outgoing voice calls	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	GSM circuit-switched calls over Czech 2G; not VoLTE.
Receive ordinary calls	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Incoming GSM calls, subject to operator and coverage.
SMS send/receive	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Standard SMS works over GSM.
Concatenated/long SMS	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Messages beyond one segment are split and reassembled when supported.
SMS with Czech diacritics	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Unicode works but reduces per-segment character capacity.
SMS delivery reports	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Requires operator support and delivery-report setting.
SMS verification codes (OTP)	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Can receive ordinary SMS codes; cannot approve app-based prompts.
MMS picture and audio messaging	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Main Czech operators still document MMS; correct APN and packet data required.
Operator voicemail	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Works if enabled and provisioned by the operator.
Missed-call alerts by SMS	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Depends on operator service and provisioning.
Caller ID / CLIP	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Usually displays incoming number if transmitted.
Call waiting	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Standard supplementary service, depending on account/operator settings.
Call hold	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Depends on GSM supplementary-service support.
Call forwarding	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Divert to another number or voicemail, if operator permits.
Call barring	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Requires operator support and barring credentials.
Conference calls	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Depends on operator and subscription.
Speed dial keys	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Stored number shortcuts on keypad.
Voice dialling / voice commands	Works	Works	Works	Works	Works	Works	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Conditional	Not built in	Not built in	Device-side recognition; original language support applies.
Hands-free loudspeaker	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Internal speakerphone works locally.
DTMF tones in calls	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works with compatible automated telephone menus.
USSD service codes	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Works for codes supported by the operator; not all modern services expose USSD.
GSM 112 emergency calling	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Technically supported over an available compatible network; never rely on these as sole emergency devices.
3G circuit-switched video calling	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Unavailable in 2026	Not built in	Original Samsung S5610 supports legacy 3G circuit-switched video calling on certain configurations; S5611 standard firmware does not clearly document it. Czech 3G service has been shut down.
3G network video sharing	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Requires unavailable legacy 3G/IMS service.
VoLTE calling over 4G in Czechia	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	Conditional	Conditional	Not built in	Not built in	EU LTE bands are documented on 6300 / 8000 / 8110 / 235 4G, but Czech carrier IMS/VoLTE firmware provisioning is not guaranteed. Test voice calls on the exact operator/SIM.
Operator VoWiFi / Wi-Fi calling (IMS)	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	Not built in	Not built in	Not built in	Not built in	Original Symbian clients lack modern IMS Wi-Fi calling.
Classic internet/SIP calling	Conditional	Conditional	Not built in	Not built in	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Legacy VoIP may work with specially compatible software and services; not VoWiFi.
Push-to-talk operator service	Not built in	Unavailable in 2026	Not built in	Not built in	Not built in	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Nokia 5310 manual includes a PTT client, but no suitable 2026 Czech operator PTT service is established. Other phone original implementations differ.
Threaded SMS / conversations view	Not built in	Not built in	Not built in	Works	Works	Not built in	Works	Works	Works	Conditional	Works	Conditional	W995 originally groups related SMS/MMS conversations locally, without an internet service.
W995 slider open-to-answer / close-to-end	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	W995 supports optional slide-to-answer and close-to-end behaviour, assuming intact slider contacts.
K850i screen-edge touch-sensitive softkeys	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	K850i has three touch-sensitive selection zones beneath the screen; verify all work before purchase.
Cedar background music during a voice call	Not built in	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Cedar manual documents playing background music to both parties during a normal call. This works locally over GSM.
Nokia Xpress audio MMS / Flash SMS	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	5310 manual documents short Flash SMS and Nokia Xpress audio messages; network delivery and recipient compatibility vary. Others support SMS/MMS, but exact flash-message implementations vary.
Dual-SIM operation	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	Conditional	Works	Not built in	Not built in	All eight pre-4G phones are single-SIM. 6300 4G / 8000 4G / 8110 4G have regional single- or dual-SIM variants; the 235 2nd Edition specifies dual nano-SIM.
4G service even when local 2G is retired	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	Conditional	Conditional	Not built in	Not built in	4G radio is available on the four newer phones; to KEEP VOICE/SMS after 2G shutdown you also need working VoLTE and operator provisioning. Not guaranteed.
Xpress Chat voice/video calls (2026)	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Not built in	Not built in	Nokia 235 2nd Edition supports Xpress Chat, but mobile data, current server operation and regional rollout are required. It is not a 3G circuit-switched video call.
Front-camera video conversation without legacy 3G	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Not built in	Not built in	235 2nd Edition has a front VGA camera and Xpress Chat; real-world calling depends on the online service. Other phones have no verified live comparable client.
Samsung SOS SMS to preset contacts	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	S5610/S5611 original Samsung manuals document sending preconfigured SOS messages over GSM. Requires setup, working SIM/coverage and an accessible recipient; not a replacement for emergency calling.
Samsung SIM-change Mobile Tracker SMS	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	Some GT-S5610/S5611 firmware includes Mobile Tracker that texts preset contacts when a SIM is replaced. Original SIM, settings and SMS support required; do not rely on it as modern anti-theft protection.
Samsung simulated / fake incoming call	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Works	Works	Both Samsung-era manuals document a fake-call feature for exiting conversations. A local interface effect; no real call arrives.

No matching functions in this section.

33 / 33 features · Sources: ČTÚ · T-Mobile CZ · Nokia 5630 User Guide (2009) · Nokia E52 User Guide (original PDF) · Sony Ericsson K850i · Sony Ericsson W995 · Sony Ericsson Cedar J108i · Sony Ericsson Cedar J108i · Nokia 5310 XpressMusic · Nokia 5310 XpressMusic · Nokia 5310 XpressMusic · Nokia 8000 4G · guide · Samsung GT-S5610 manufacturer manual · Samsung GT-S5611 manufacturer manual · Independent Samsung S5611 hands-on

3. Connectivity, Wi-Fi, USB and storage

Neither Samsung S5610 nor S5611 has Wi-Fi, GPS or LTE; both use standard Micro-USB, a 3.5 mm headset jack and Bluetooth Classic. Their 3G radio is unusable in Czechia today.

Original function	Nokia 5630 XpressMusic	Nokia E52	Sony Ericsson K850i	Sony Ericsson W995	Sony Ericsson Cedar J108i	Nokia 5310 XpressMusic (2007)	Nokia 6300 4G (2020)	Nokia 8000 4G (2020)	Nokia 8110 4G (2018)	Nokia 235 4G 2nd Edition (2026)	Samsung GT-S5610 (2011)	Samsung GT-S5611 (2014)	2026 functionality / verification
GPRS over GSM	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Legacy low-speed packet data, if operator provides it.
EDGE over GSM	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Limited	May permit small downloads and simple services; slow and inconsistent.
UMTS / 3G / HSPA in Czechia	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	S5610/S5611 have UMTS 900/2100 hardware, but Czech 3G networks are retired. This is a loss of access, not absence of original radio hardware.
4G LTE mobile data radio (not 5G)	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Works	Works	Works	Works	Not built in	Not built in	No supported modem radio.
Wi-Fi 2.4 GHz (802.11b/g)	Conditional	Works	Not built in	Works	Not built in	Not built in	Works	Works	Works	Not built in	Not built in	Not built in	5630 RM-431, E52 and W995 have Wi-Fi; K850i, Cedar and the original 5310 do not.
Wi-Fi 5 GHz / 6 GHz	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	No 5/6 GHz WLAN radios.
WPA/WPA2-PSK Wi-Fi	Conditional	Conditional	Not built in	Conditional	Not built in	Not built in	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	5630 RM-431, E52 and W995 may join compatible 2.4 GHz security settings; K850i has no Wi-Fi.
WPA3-only Wi-Fi	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	WPA3 was never built into these phones. Models without Wi-Fi lack the radio entirely.
Smartphone 2.4 GHz hotspot	Conditional	Conditional	Not built in	Conditional	Not built in	Not built in	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	5630 RM-431, E52 and W995 need a compatible 2.4 GHz WPA2-capable hotspot; K850i cannot connect.
Public Wi-Fi with captive portal	Limited	Limited	Not built in	Limited	Not built in	Not built in	Limited	Limited	Limited	Not built in	Not built in	Not built in	K850i has no Wi-Fi. Other phones may connect to the access point but fail at modern HTTPS login.
Bluetooth device discovery/pairing	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Compatible Bluetooth Classic devices, not BLE-only devices.
Bluetooth stereo headset (A2DP)	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Depends on headset supporting classic A2DP negotiation.
Bluetooth headset / car hands-free	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Depends on HFP/HSP and accessory implementation.
Bluetooth file transfer (OBEX)	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Receiving device must support relevant OBEX transfer profile.
Bluetooth music remote commands	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	AVRCP support varies by headset and firmware.
Bluetooth Low Energy devices	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	Conditional	Conditional	Not built in	Not built in	BLE was not supported.
USB cable data transfer	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	All twelve support USB data transfer in some form. Original 5310 uses USB for data, not charging; K850i/W995 use Sony Ericsson FastPort; S5610/S5611 use Micro-USB.
Micro-USB charging connector	Works	Works	Not built in	Not built in	Works	Not built in	Works	Works	Works	Not built in	Works	Works	The 2007 Nokia 5310 has Micro-USB for DATA but it does NOT charge by Micro-USB: Nokia AC-3/AC-4 2 mm round-pin charger is required. 5630/E52/Cedar can charge via Micro-USB.
Nokia PC Suite / Ovi Suite integration	Conditional	Conditional	Not built in	Not built in	Not built in	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	5310 supports Nokia PC Suite over USB/BT (original 5310 manual). Modern computer/driver compatibility is not guaranteed.
Use phone as data modem	Limited	Limited	Limited	Limited	Limited	Limited	Works	Works	Works	Not built in	Limited	Limited	Legacy modem functionality limited by Czech 2G data speed.
microSD card storage / transfer in handset	Works	Works	Works	Not built in	Works	Works	Works	Works	Works	Works	Works	Works	5630/E52/Cedar/5310 use microSD. K850i uses M2/microSD; W995 uses M2. Nokia advertised 4 GB for original 5310.
Home-network UPnP sharing	Conditional	Conditional	Not built in	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Nokias support compatible local UPnP arrangements; W995 includes a documented DLNA server over Wi-Fi; K850i lacks Wi-Fi.
Direct printer connectivity	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	5310 original user guide supports compatible USB PictBridge printer via data cable; actual modern printer may not recognise it.
Contactless NFC payments	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Neither has NFC.
USB-C port for charging and data	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Both use Micro-USB, not USB-C.
Sony Ericsson FastPort charging/data	Not built in	Not built in	Works	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	K850i and W995 use FastPort; Cedar uses standard Micro-USB, as do both Nokias.
Sony Ericsson PC Suite / PC Companion	Not built in	Not built in	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Sony Ericsson phones use legacy PC Suite or PC Companion software (Cedar: PC Companion); old OS/drivers may be required.
Media Go desktop media transfer	Not built in	Not built in	Not built in	Conditional	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Sony Ericsson W995 and Cedar supported Media Go. Modern operating-system and download support cannot be assumed.
Sony Ericsson Memory Stick Micro (M2)	Not built in	Not built in	Works	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	K850i accepts M2 or microSD in a combo slot; W995 uses M2 (original 8 GB supplied).
W995 DLNA Media Server over Wi-Fi	Not built in	Not built in	Not built in	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	The W995 explicitly exposes local photos/music to compatible DLNA devices on the same Wi-Fi network.
PictBridge USB photo printing	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	5310 user guide explicitly supports Printing & media mode to a compatible PictBridge printer. Requires compatible printer and cable.
Bluetooth phone-as-remote-control	Conditional	Conditional	Conditional	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	W995 has a native Bluetooth remote-control function; Cedar is not documented as having an equivalent built-in remote.
USB MTP / media transfer mode	Works	Works	Works	Works	Works	Works	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Both Samsung models have Micro-USB wired file transfer; PC-side Samsung drivers may be needed. A microSD card reader is the simpler 2026 workaround.
Nokia 2 mm separate charging socket	Not built in	Not built in	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	The original 5310 requires a Nokia 2 mm round-pin charger and cannot charge over Micro-USB. The Nokia 5630 and E52 use Micro-USB charging and do not provide the 5310 separate round socket.
Wi-Fi hotspot sharing mobile data	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Works	Works	Works	Not built in	Not built in	Not built in	HMD documents hotspot on 6300 4G, 8000 4G and 8110 4G. The 235 2nd Edition lacks Wi-Fi and thus cannot create a Wi-Fi hotspot.
LTE band 20 (800 MHz) on EU variant	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Works	Works	Works	Works	Not built in	Not built in	All four newer phones list EU LTE band 20, useful for coverage. Buy an EU variant; imported US SKUs may use incompatible LTE bands.
5G radio access	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	None of the twelve phones supports 5G.
Charge through the main data connector	Works	Works	Works	Works	Works	Not built in	Works	Works	Works	Works	Works	Works	The 2007 5310 needs a separate 2 mm charger; 5630/E52/FastPort Sony Ericssons/Cedar/4G Nokias charge through their respective data/charging sockets.
Bluetooth 5.0 radio (version availability)	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Works	Not built in	Not built in	235 2nd Edition has Bluetooth 5.0; other devices have earlier Bluetooth versions. This is version hardware, not proof any specific accessory works better.
USB-C wired charging	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Only the 235 4G 2nd Edition uses USB Type-C. Other devices use Micro-USB, FastPort or Nokia 2 mm.
4G network supported for data without Wi-Fi	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Works	Works	Works	Works	Not built in	Not built in	The four 4G Nokia models have LTE; the eight older phones including both Samsungs cannot use LTE.

No matching functions in this section.

34 / 34 features · Sources: Nokia 5630 User Guide (2009) · Nokia 5630 service manual (RM-431 / RM-432) · Nokia E52 User Guide (original PDF) · Sony Ericsson K850i · Sony Ericsson W995 · Sony Ericsson K850i · Sony Ericsson W995 · Sony Ericsson Cedar J108i · Sony Ericsson Cedar J108i · Nokia 5310 XpressMusic · Nokia 5310 XpressMusic · Nokia 5310 XpressMusic · Nokia E52 manufacturer user guide · Sony Ericsson K850i original user guide · Nokia 8000 4G · specs · Nokia 8000 4G · hotspot · Samsung GT-S5610 manufacturer manual · Samsung GT-S5611 manufacturer manual · Independent Samsung S5611 hands-on

4. Music, radio and audio

Both Samsungs retain FM/RDS radio and local audio playback, including original FM-radio recording. Bluetooth stereo accessories require compatible profiles; music-store servers and recognition services are separate from local playback.

Original function	Nokia 5630 XpressMusic	Nokia E52	Sony Ericsson K850i	Sony Ericsson W995	Sony Ericsson Cedar J108i	Nokia 5310 XpressMusic (2007)	Nokia 6300 4G (2020)	Nokia 8000 4G (2020)	Nokia 8110 4G (2018)	Nokia 235 4G 2nd Edition (2026)	Samsung GT-S5610 (2011)	Samsung GT-S5611 (2014)	2026 functionality / verification
MP3 playback	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Plays local compatible files from memory/card.
AAC / AAC+ / eAAC+ music	Works	Works	Works	Works	Works	Works	Works	Works	Works	Conditional	Works	Works	Supported codecs depend on original software and file encoding.
WMA audio playback	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	Not built in	Works	Works	Compatible unprotected WMA generally works; DRM licences may not.
Music library / album grouping	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Local artist, album and track indexes.
Playlists	Works	Works	Works	Works	Works	Works	Works	Works	Works	Conditional	Works	Works	Locally saved playlists and collections.
Background music playback	Works	Works	Works	Works	Works	Works	Works	Works	Works	Conditional	Works	Works	Native Symbian multitasking.
Dedicated physical music buttons	Works	Not built in	Not built in	Works	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Nokia 5310, Nokia 5630 and Sony Ericsson W995 have dedicated playback keys; E52, K850i and Cedar do not.
Say and Play voice music search	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	5630’s local voice music lookup; accuracy depends on names and language.
Album artwork and tags	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Depends on file metadata and supported image format/size.
3.5 mm wired headphones	Works	Works	Not built in	Works	Works	Works	Works	Works	Works	Works	Works	Works	5630/E52/W995/Cedar/5310 have 3.5 mm audio. K850i needs FastPort headset or adapter.
Bluetooth stereo audio	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Compatible A2DP headset required.
Built-in loudspeaker	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Plays music, alerts and ringtones.
FM radio tuner	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	S5610 and S5611 include an FM/RDS radio, with headset antenna, plus local radio recording. FM broadcast availability is independent of cellular service.
RDS information	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Local FM broadcaster must transmit RDS.
Saved FM radio presets	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	On-device list of stations/frequencies.
Nokia internet radio directory	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Nokia-specific original directory. Sony Ericsson phones had different online-music services and streaming clients.
Direct internet radio streams	Conditional	Conditional	Limited	Conditional	Limited	Limited	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	A compatible old stream format and server are required; Cedar has only cellular EDGE in Czechia and no Wi-Fi.
Nokia Music Store	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Nokia 5310 originally supported Nokia Music Store purchases with WMA/DRM, but the service is discontinued.
Comes With Music subscriptions	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Discontinued XpressMusic-era offering; not standard E52 feature.
Downloaded unprotected music	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Ordinary files keep playing locally.
DRM-locked purchased music	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Existing licences and old DRM engines may or may not remain usable.
Locally saved podcasts	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Audio episodes saved to storage play normally.
Original online podcast directory	Limited	Limited	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	The Nokia podcast directory is discontinued. K850i, W995 and Cedar can still play compatible locally saved audio podcasts.
MP3 / AAC ringtones	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Local ringtone and profile selection.
Sound recorder	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Record local audio.
Sony Ericsson Walkman-branded music player	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	W995 has Walkman 4.0; K850i has a regular Sony Ericsson media player, not the Walkman-branded client.
Walkman Clear Bass / Clear Stereo	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	W995’s local audio-enhancement features are independent of the internet.
Shake Control track selection / shuffle	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	W995 changes tracks/shuffles with gestures while holding the Walkman key.
SensMe mood-based music playlists	Not built in	Not built in	Not built in	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	W995 locally displays mood playlists; full mood metadata originally required Media Go processing.
Stereo loudspeakers	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	W995 has dedicated stereo loudspeakers; 5630, E52, K850i and Cedar are not documented as equivalent stereo-speaker designs.
Sony Ericsson TrackID song recognition	Not built in	Not built in	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	K850i, W995 and Cedar included TrackID, but Sony shut its original recognition service down in 2017.
Sony Ericsson PlayNow music/content store	Not built in	Not built in	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	K850i, W995 and Cedar originally supported Sony Ericsson PlayNow, whose legacy store is no longer operational.
MusicDJ melody/ringtone composer	Not built in	Not built in	Works	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	K850i and W995 manuals document MusicDJ local ringtone composing; Cedar does not have a documented native MusicDJ equivalent.
W995 physical Walkman key	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Separate dedicated Walkman application key, beyond its media transport controls.
FM radio without mobile internet	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	FM tuning works independently of the internet; both Samsungs support radio recording. Most models need a wired headset antenna; the Nokia 235 2nd Edition advertises an antenna-free mode.
5310 dedicated DAC-33 hi-fi audio chip	Not built in	Not built in	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Nokia original 2007 datasheet identifies a dedicated DAC-33 music audio chip. Other phones also contain DAC circuits, but the specific 5310 DAC-33 music architecture is not documented in them.
Local audio equaliser presets	Works	Works	Works	Works	Works	Works	Works	Works	Works	Conditional	Conditional	Conditional	The original six phones have documented on-device equaliser presets. E52 and 5310 user guides, plus contemporary reviews for 5630, K850i, W995 and Cedar, confirm this independent of online services.
FM radio with no headset antenna plugged in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Works	Not built in	Not built in	HMD explicitly specifies wired & wireless dual-mode FM on the Nokia 235 4G 2nd Edition; others require wired antenna.
Music playback using local microSD files	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Local media files remain usable on all twelve handsets. Formats and supported card capacity vary.
KaiOS cloud-dependent internet music apps	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	KaiOS browser or app may handle compatible media streams; reliability in 2026 depends on live apps/codecs and streaming service.
Record FM radio broadcasts locally	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Works	Works	S5610 and S5611 original-era FM applications can save radio recordings (headset antenna needed). Available file formats and permissions depend on firmware and card.

No matching functions in this section.

37 / 37 features · Sources: Nokia 5630 User Guide (2009) · Nokia E52 User Guide (original PDF) · Sony Ericsson K850i · Sony Ericsson W995 · Sony Ericsson K850i · TrackID music recognition shutdown, September 2017 · Sony Ericsson Cedar J108i · Sony Ericsson Cedar J108i · Nokia 5310 XpressMusic · Nokia 5310 XpressMusic · Nokia 5310 XpressMusic · Nokia E52 manufacturer user guide · Nokia 5630 XpressMusic · Sony Ericsson Cedar · Nokia 8000 4G · specs · Nokia 8000 4G · guide · Samsung GT-S5610 manufacturer manual · Samsung GT-S5611 manufacturer manual · Independent Samsung S5611 hands-on

5. Cameras, multimedia editing and games

The Sony Ericsson K850i and W995 and both Samsung S5610/S5611 have original mechanical autofocus. K850i alone offers xenon flash; the two Samsungs have LED flash. Brand-specific Symbian, Java and KaiOS runtimes are not interchangeable.

Original function	Nokia 5630 XpressMusic	Nokia E52	Sony Ericsson K850i	Sony Ericsson W995	Sony Ericsson Cedar J108i	Nokia 5310 XpressMusic (2007)	Nokia 6300 4G (2020)	Nokia 8000 4G (2020)	Nokia 8110 4G (2018)	Nokia 235 4G 2nd Edition (2026)	Samsung GT-S5610 (2011)	Samsung GT-S5611 (2014)	2026 functionality / verification
Rear camera photos	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	5630/E52 3.2 MP; K850i 5 MP AF; W995 8.1 MP AF; Cedar and original 5310 2 MP fixed-focus. Lower MP is not a guarantee of inferior images.
Built-in photographic flash / light	Works	Works	Works	Works	Not built in	Not built in	Works	Works	Works	Works	Works	Works	5630 dual LED, E52 LED, K850i xenon flash, W995 LED; Cedar has no integrated photo flash/light.
Camera mechanical autofocus	Not built in	Not built in	Works	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Works	Works	S5610 and S5611 ALSO have genuine mechanical autofocus alongside Sony Ericsson K850i and W995. Nokia E52/5630 use fixed-focus/EDOF.
Secondary camera for video calls or selfies	Works	Works	Works	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Works	Works	Works	S5610 standard EU model and S5611 are not documented with a dedicated front-facing camera; some regional S5610K variants differ. Czech 3G circuit video calling has ended.
Local video recording	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Can record in legacy resolutions/formats.
Picture gallery / photo viewer	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Local JPG and other compatible image formats.
Simple photo-editing tools	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	S5610/S5611 original photo editing tools vary by firmware. Sony Ericsson Photo Fix is a separate vendor application.
Legacy MP4/3GP video playback	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Requires compatible codec/profile, modest resolution and bitrate.
Modern 1080p/4K/HEVC/H.265 media	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	None originally included native HEVC/H.265 or this modern high-resolution video capability.
RealPlayer offline files	Works	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	This row refers to Nokia’s RealPlayer app; Sony Ericssons have their own integrated media/video players.
RealPlayer online streaming	Limited	Limited	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	RealPlayer is a Nokia-side client. Sony Ericsson phones had separate legacy streaming support, mostly impractical today.
Flash Lite offline content	Conditional	Conditional	Not built in	Not built in	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Nokias have Flash Lite tools; Cedar supports some Flash Lite content through its A200/NetFront stack; local compatibility is file-specific.
Java ME games (.jar/.jad)	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	Java ME JAR/JAD games can run on compatible S5610/S5611 firmware, similarly to older Nokia S40, Symbian and Sony Ericsson; apps/files/signing may restrict installation.
Native Symbian games (.sis/.sisx)	Conditional	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Compatible signed/installed titles may run.
N-Gage-compatible existing games	Conditional	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Existing installations may work depending on licensing and the precise game.
Original N-Gage online service/store	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Nokia closed its online N-Gage ecosystem.
Original online multiplayer game servers	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Some historic Symbian, S40 and Sony Ericsson game servers no longer exist. No specific discontinued original multiplayer server was established for the newer KaiOS/S30+ phones.
Local game saves	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Continue where the game installation is preserved.
Sony Ericsson BestPic burst photography	Not built in	Not built in	Works	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	K850i and W995 have BestPic burst capture. Cedar does not have the documented Cyber-shot/Walkman BestPic application.
Sony Ericsson xenon still-photo flash	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Only K850i has a true xenon photo flash, separate from continuous LED video lighting.
Sony Ericsson Photo Fix	Not built in	Not built in	Works	Works	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	One-click local brightness/contrast corrections on K850i and W995.
Sony Ericsson PhotoDJ editor	Not built in	Not built in	Works	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	K850i and W995 originally included PhotoDJ offline edits; Cedar has Photo Fix, not confirmed PhotoDJ.
Sony Ericsson VideoDJ editor	Not built in	Not built in	Works	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	K850i and W995 included VideoDJ offline video editing. Cedar has a simpler original camera/gallery suite.
Sony Ericsson MusicDJ video/photo soundtracks	Not built in	Not built in	Works	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	MusicDJ composes MIDI-based melodies; VideoDJ handles original compatible video clips.
W995 camera face-detection focus	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	W995 automatically detects faces when focusing photos; K850i autofocus lacks the documented equivalent.
Photo location geotagging (GPS or cell-ID)	Not built in	Conditional	Not built in	Works	Conditional	Not built in	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	W995 tags from GPS. E52 depends on compatible software. Cedar can tag photos using approximate cellular cell-ID; it has NO satellite GPS.
K850i automatic camera lens cover	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	K850i includes a mechanical automatic camera cover; check the mechanism for sticking.
K850i photo/video mode switch	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Dedicated Cyber-shot camera/video/playback physical controls.
Accelerometer auto-rotation	Not built in	Conditional	Works	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	K850i and W995 support motion-aware rotation. Cedar manual documents manual media orientation; automatic rotation not established.
W995 integrated video kickstand	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Physical kickstand for propping up the W995 to watch local videos.
Cedar photo geotags from cellular cell-ID	Not built in	Not built in	Not built in	Not built in	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Cedar can store approximate position tags inferred from a cellular base-station ID; this is NOT built-in GPS and old map lookups may fail.
Rear camera flash (LED or xenon)	Works	Works	Works	Works	Not built in	Not built in	Works	Works	Works	Works	Works	Works	W995 has an LED light; K850i has xenon still flash. Both 4G KaiOS phones and 235 2nd Edition list LED rear flash. 5630/E52 have original flash lights.
Front-facing camera on a 4G data handset	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Nokia 235 4G 2nd Edition has a VGA front camera; 6300/8000/8110 do not. 2009 front cameras on 3G phones do not provide a current 4G video-call service.
Photos from 2 MP or higher sensor	Works	Works	Works	Works	Works	Works	Not built in	Works	Works	Works	Works	Works	Both Samsung S5610 and S5611 have 5 MP autofocus sensors; resolution alone is not proof of image quality. Other camera specs appear in hardware table.

No matching functions in this section.

31 / 31 features · Sources: Nokia 5630 User Guide (2009) · Nokia E52 User Guide (original PDF) · Sony Ericsson K850i · Sony Ericsson W995 · Sony Ericsson K850i · Sony Ericsson W995 · Sony Ericsson Cedar J108i · Sony Ericsson Cedar J108i · Nokia 5310 XpressMusic · Nokia 5310 XpressMusic · Nokia 5310 XpressMusic · Nokia 8000 4G · specs · Nokia 8000 4G · guide · Nokia 8000 4G · Czech review · Samsung GT-S5610 manufacturer manual · Samsung GT-S5611 manufacturer manual · Independent Samsung S5611 hands-on

6. GPS, fitness tracking, maps and navigation

Integrated GPS is available on E52, W995 and Nokia KaiOS 6300/8000/8110 4G. The two Samsung Primo phones, 5630, K850i, Cedar and original 5310 have no satellite GPS. Old navigation servers and live maps may be retired or incompatible.

Original function	Nokia 5630 XpressMusic	Nokia E52	Sony Ericsson K850i	Sony Ericsson W995	Sony Ericsson Cedar J108i	Nokia 5310 XpressMusic (2007)	Nokia 6300 4G (2020)	Nokia 8000 4G (2020)	Nokia 8110 4G (2018)	Nokia 235 4G 2nd Edition (2026)	Samsung GT-S5610 (2011)	Samsung GT-S5611 (2014)	2026 functionality / verification
Integrated GPS receiver	Not built in	Works	Not built in	Works	Not built in	Not built in	Works	Works	Works	Not built in	Not built in	Not built in	Integrated GPS is present in E52, W995 and Nokia 6300/8000/8110 4G. Both Samsungs, 5310, 5630, K850i, Cedar and 235 2nd Edition lack an integrated GPS chip.
GPS fix without mobile data	Not built in	Works	Not built in	Works	Not built in	Not built in	Works	Works	Works	Not built in	Not built in	Not built in	E52, W995 and Nokia 6300/8000/8110 4G can obtain a satellite fix without external GPS hardware (subject to firmware and reception). Samsungs, Cedar and older 5310/5630/K850i cannot.
External Bluetooth GPS	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	5310 has no satellite GPS and no original GPS Data app. External Bluetooth receiver plus a compatible old Java application is unverified; cannot be relied upon.
Original GPS Data application	Conditional	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	This is Nokia GPS Data: E52 uses its internal receiver, 5630 needs a Bluetooth receiver. Sony Ericsson phones have different location apps.
Assisted GPS (A-GPS)	Not built in	Conditional	Not built in	Conditional	Not built in	Not built in	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	E52 and W995 support assisted start, but original aid endpoints/settings may fail; standalone GPS can work without them.
GPS latitude, longitude, altitude	Conditional	Works	Conditional	Works	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Not built in	5310 can only plausibly use compatible third-party Java software and an external receiver; it has no built-in GPS.
Trip speed and travel distance	Conditional	Works	Conditional	Works	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Not built in	5310 would need external Bluetooth GPS + compatible Java software; E52/W995 have original native GPS tools.
Straight-line guidance to a coordinate	Conditional	Works	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Not built in	E52 native GPS Data supports straight-line guidance. Cedar/K850i/5630 depend on external GPS/software; W995 software varies.
Saved landmarks / waypoints	Works	Works	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	The Nokias provide local landmarks; W995 offers My favourites. K850i has no native GPS-based landmarks system.
Electronic compass	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	E52 has a magnetometer; calibrate in Maps where supported.
View preloaded Nokia/Ovi map tiles	Conditional	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Only Nokia Maps/Ovi Maps installations can open Nokia map files. W995 originally used Google Maps/Wayfinder; K850i has no stock map client.
Download fresh maps from historic Nokia servers	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Nokia map services cannot be relied on; Sony Ericsson handsets were never clients of Nokia map servers.
Offline Czech road maps	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	5310 has no integrated GPS or original offline Nokia Maps. Requires Java offline maps and external location hardware where supported.
Turn-by-turn driving navigation	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Not built in	E52 could navigate with preserved Ovi Maps. W995’s original Wayfinder required online service/trial; current navigation would need a third-party offline workaround. 5630/K850i also need external GPS.
Spoken turn-by-turn directions	Conditional	Conditional	Limited	Limited	Limited	Limited	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	E52 may still speak with preserved Ovi Maps voices. W995’s historic Wayfinder service/trial is no longer a reliable option; experimental third-party setups only.
Pedestrian navigation	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Not built in	Existing compatible legacy Maps may support it.
Live traffic service	Unavailable in 2026	Unavailable in 2026	Not built in	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Do not infer built-in live traffic from a GPS receiver or Google Maps branding. A phone requires specifically supported original traffic data; legacy Nokia/Wayfinder services have retired.
Live map POIs, places and guides	Unavailable in 2026	Unavailable in 2026	Not built in	Unavailable in 2026	Unavailable in 2026	Not built in	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	Some original Nokia/SE online location backends are retired. KaiOS Google Maps can still potentially provide points of interest, depending on current app/service operation. The 235 2nd Edition lacks a documented maps app.
Current Google Maps service	Unavailable in 2026	Unavailable in 2026	Not built in	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	KaiOS Google Maps may still work on 6300/8000/8110, depending on current app versions; KaiOS lists Maps among the remaining Google services. Earlier Java/Symbian Google Maps integrations are obsolete. Nokia 235 2nd Edition has no built-in Google Maps.
Third-party Symbian offline mapping	Conditional	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	The Nokias can install S60 navigation clients; K850i, W995 and Cedar are Java ME feature phones and cannot run SIS navigation apps.
Sony Ericsson W995 GPS Tracker workouts	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	W995 Tracker records speed, distance and GPS-based sessions locally without a map download.
W995 Walk Mate pedometer	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Built-in step counter based on movement sensors; does not need satellites or internet.
W995 native My favourites GPS locations	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Save current coordinates and place notes locally; showing them on Google Maps is a separate obsolete online function.
Sony Ericsson Wayfinder Navigator trial	Not built in	Not built in	Not built in	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	W995 bundled or offered a time-limited Wayfinder navigation service; do not expect the original online backend/trial to function.
Sony Ericsson Google Maps Java client	Not built in	Not built in	Not built in	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	W995 and Cedar originally offered Google Maps Java/location services; the old client/backend is obsolete. K850i had no equivalent stock integration.
Third-party Java ME offline maps	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	Java ME map MIDlets need a Java ME runtime and compatible map data. KaiOS uses HTML5 apps, not Java ME; S30+ (Nokia 235 2nd) has no documented JAR/JAD runtime. Legacy Java-map programs remain conditional on the older six phones.
Integrated GLONASS receiver in addition to GPS	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Works	Works	Not built in	Not built in	Not built in	Not built in	6300 4G and 8000 4G both list GPS and GLONASS; 8110 lists GPS/A-GPS, and the 235 2nd Edition has no GNSS receiver.
Stand-alone GPS coordinates without cellular connection	Not built in	Works	Not built in	Works	Not built in	Not built in	Works	Works	Works	Not built in	Not built in	Not built in	E52, W995, 6300 4G, 8000 4G and 8110 4G have GNSS hardware. A map app is a separate issue.
KaiOS maps using built-in GPS	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	Google Maps on KaiOS is firmware/service dependent in 2026; a satellite fix does not guarantee functional online maps.

No matching functions in this section.

26 / 26 features · Sources: Nokia 5630 User Guide (2009) · Nokia E52 User Guide (original PDF) · Sony Ericsson K850i · Sony Ericsson W995 · Sony Ericsson W995 · Sony Ericsson Cedar J108i · Sony Ericsson Cedar J108i · Nokia 5310 XpressMusic · Nokia 5310 XpressMusic · Nokia 5310 XpressMusic · Nokia 8000 4G · specs · Nokia 8000 4G · guide

7. Organiser, office tools, local security and apps

Original offline organiser applications generally survive if the hardware works. S5610 and S5611 differ in storage, menus and the independent torch shortcut; old Java apps may require compatible packages.

Original function	Nokia 5630 XpressMusic	Nokia E52	Sony Ericsson K850i	Sony Ericsson W995	Sony Ericsson Cedar J108i	Nokia 5310 XpressMusic (2007)	Nokia 6300 4G (2020)	Nokia 8000 4G (2020)	Nokia 8110 4G (2018)	Nokia 235 4G 2nd Edition (2026)	Samsung GT-S5610 (2011)	Samsung GT-S5611 (2014)	2026 functionality / verification
Contacts / phonebook	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Local contacts and SIM contacts.
Contact groups	Works	Works	Works	Works	Works	Works	Works	Works	Works	Not built in	Works	Works	Group and category functions work offline.
Individual contact photos / ringtones	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Stored locally.
Calendar events and reminders	Works	Works	Works	Works	Works	Works	Works	Works	Works	Conditional	Works	Works	No cloud necessary.
To-do items / tasks	Works	Works	Works	Works	Works	Works	Conditional	Conditional	Conditional	Not built in	Works	Works	Native organiser task functions.
Alarm clock	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Local alarms and repeated alarms.
World clock	Works	Works	Not built in	Not built in	Not built in	Conditional	Conditional	Conditional	Conditional	Not built in	Works	Works	World Clock II was supplied in some original 5310 packages/firmwares; verify installed software before treating it as a standard feature.
Calculator	Conditional	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Documented on the E52, K850i and W995. 5630 depends on its exact installed S60 software.
Unit/currency converter	Conditional	Works	Not built in	Not built in	Not built in	Works	Conditional	Conditional	Conditional	Not built in	Works	Works	5310 supports converter applications, with local manual unit conversions; live currency rates are not provided.
Plain-text Notes	Works	Works	Works	Works	Works	Works	Works	Works	Works	Conditional	Works	Works	Local editable notes.
Active Notes multimedia notes	Works	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Active Notes is a Symbian Nokia feature. K850i, W995 and Cedar have ordinary Notes, not Nokia Active Notes.
Local phone/files search	Conditional	Works	Conditional	Conditional	Works	Conditional	Works	Works	Works	Conditional	Works	Works	E52 provides wider built-in search; availability/index varies.
Dictionary / translator	Conditional	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Installed language packs work; downloading legacy packs may not.
Predictive text input (T9)	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Language support depends on installed firmware/dictionaries.
Text-to-speech SMS/message reader	Conditional	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Nokia-specific reading functionality depends on language voice packs; not a built-in equivalent on these Sony Ericsson feature phones.
Voice commands	Works	Works	Works	Works	Works	Works	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Conditional	Not built in	Not built in	Local voice commands, language-dependent.
Quickoffice DOC viewing	Limited	Limited	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	The Nokias could have Quickoffice. Neither Sony Ericsson shipped with equivalent native Quickoffice; an unverified Java viewer is not counted.
Quickoffice XLS viewing	Limited	Limited	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Old spreadsheet formats; formula/formatting limitations.
Quickoffice PPT viewing	Limited	Limited	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Legacy slide formats; complex presentations incompatible.
Quickoffice document editing	Conditional	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Depends on installed/licensed editor-capable version.
Adobe / PDF viewer	Limited	Limited	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	The two Nokia Symbian phones can open some PDFs with compatible Adobe software. None of the three Sony Ericsson A200 phones has that stock reader.
ZIP archive manager	Conditional	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	E52 has native ZIP manager; 5630 may need additional compatible software.
Local file manager	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Manage files in phone memory/microSD.
Local phone/card backup	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Works	Manual card file-copy works; full handset backup depends on compatible suite.
Transfer/import SIM contacts	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Traditional SIM-to-phone copying.
Themes, wallpapers and profiles	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Local appearance and ringtone settings.
Offline / flight profile	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Local apps continue without GSM registration.
Keypad lock and device PIN	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Works	Local device access controls.
Memory-card password protection	Works	Works	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Documented legacy feature; protect recovery codes.
Built-in device / file encryption	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	E52 includes Symbian encryption; do not equate with current secure phones.
Turn over to silence ringing	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	E52 motion/accelerometer feature.
Dedicated Home/Calendar/Email keys	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Eseries keyboard advantage.
Local multitasking	Works	Works	Works	Works	Works	Limited	Works	Works	Works	Limited	Conditional	Conditional	5310 Series 40 can play music in the background, but unlike Nokia 5630/E52 it cannot freely multitask general native apps like Symbian S60.
Install saved SIS/SISX software	Conditional	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Only Nokia 5630 and E52 run S60/Symbian SIS/SISX installers. K850i, W995 and Cedar instead run compatible Java ME apps.
Install saved Java JAR/JAD apps	Works	Works	Works	Works	Works	Works	Not built in	Not built in	Not built in	Not built in	Works	Works	S5610/S5611 support Java ME, not Android apps or Symbian SIS. Older JAR/JAD installation may require particular signed packages or firmware settings.
Sony Ericsson Code memo / PIN-protected notes	Not built in	Not built in	Works	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	K850i/W995 have documented Code memo. Cedar has ordinary Notes, but its manual does not confirm Code memo.
Countdown timers and stopwatch	Conditional	Conditional	Works	Works	Works	Works	Conditional	Conditional	Conditional	Not built in	Works	Works	Nokia 5310 original manual documents BOTH timers and stopwatch, regardless of the older Sony Ericsson-centric row label.
Sony Ericsson custom activity menu	Not built in	Not built in	Works	Works	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Activity-menu shortcuts/app switching on the original feature-phone interface.
W995 built-in LED flashlight utility	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	W995 menu includes Light for its illumination LED, independent of cellular service.
Sony Ericsson smart contact search	Conditional	Conditional	Works	Works	Works	Conditional	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	K850i, W995 and Cedar have local smart contact search; firmware functionality may vary.
Cedar on-device extended user guide	Not built in	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Cedar contains its own user-guide/help menu, useful after Sony Ericsson support pages disappear.
Cedar offline Notes / Clock widgets	Not built in	Not built in	Not built in	Not built in	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Widget Manager can show on-device Notes/Clock panels where shipped; availability varies with firmware and market.
Cedar GreenHeart materials / energy-aware design	Not built in	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	GreenHeart positioning, recycled materials and standard connectors are physical features, not a surviving online service.
Integrated AI-powered voice assistant (2026 service)	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Not built in	Not built in	Nokia 235 4G 2nd Edition advertises an AI assistant. Use requires SIM and network, with language and availability restrictions. Not a guaranteed offline feature.
Built-in flashlight function	Not built in	Not built in	Not built in	Works	Not built in	Not built in	Conditional	Conditional	Conditional	Works	Works	Not built in	Samsung GT-S5610 has a documented hold-up-key torch shortcut; S5611 commonly lacks the independent flashlight toggle despite its LED camera flash. Other original built-in torch implementations vary.
Modern S30+ UI without separate app store	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Works	Not built in	Not built in	235 2nd Edition runs S30+ rather than KaiOS; its simplicity is a characteristic, not objectively better than installable apps.
Built-in functional app installation (KaiStore)	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	KaiStore officially existed on the two KaiOS models; store/app reachability and compatible downloads in 2026 remain conditional.

No matching functions in this section.

43 / 43 features · Sources: Nokia 5630 User Guide (2009) · Nokia E52 User Guide (original PDF) · Sony Ericsson K850i · Sony Ericsson W995 · Sony Ericsson K850i · Sony Ericsson Cedar J108i · Sony Ericsson Cedar J108i · Nokia 5310 XpressMusic · Nokia 5310 XpressMusic · Nokia 5310 XpressMusic · Nokia 8000 4G · guide · Samsung GT-S5610 manufacturer manual · Samsung GT-S5611 manufacturer manual · Independent Samsung S5611 hands-on

8. Browser, email, apps and discontinued online services

Both Samsung models had basic browsers and legacy messaging/e-mail integrations, but online use in 2026 is heavily constrained by discontinued ChatON, retired Czech 3G, obsolete TLS and authentication. Local Java ME and offline media remain useful.

Original function	Nokia 5630 XpressMusic	Nokia E52	Sony Ericsson K850i	Sony Ericsson W995	Sony Ericsson Cedar J108i	Nokia 5310 XpressMusic (2007)	Nokia 6300 4G (2020)	Nokia 8000 4G (2020)	Nokia 8110 4G (2018)	Nokia 235 4G 2nd Edition (2026)	Samsung GT-S5610 (2011)	Samsung GT-S5611 (2014)	2026 functionality / verification
Original built-in web browser (browser capability)	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Not built in	Limited	Limited	5310 uses Nokia Series 40 browser, NOT S60 or Sony Ericsson NetFront. Basic HTTP may work, modern TLS/JS does not.
Simple HTTP web pages	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Conditional	Conditional	Plain text/simple pages may work if still offered.
Visit modern HTTPS pages in original browser	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Not built in	Limited	Limited	TLS/certificate compatibility and heavy scripts make most sites unusable.
Modern JavaScript web apps	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Rendering engines, memory and APIs far too old.
Offline HTML pages	Works	Works	Works	Works	Works	Works	Works	Works	Works	Not built in	Conditional	Conditional	Open locally compatible saved HTML documents.
WAP/mobile portal services	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Conditional	Conditional	Only services still speaking supported legacy formats.
RSS / web feeds	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Conditional	Conditional	Accessible simple feeds may be possible; built-in feed service varies.
Opera Mini / alternative legacy browser	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Conditional	Conditional	Opera Mini was supplied or supported on some Samsung S5610/S5611 firmware. Its original backend, Java compatibility and modern TLS requirements need checking; modern web browsing is unrealistic.
IMAP / POP3 email protocols	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Conditional	Conditional	Technical protocol support, but TLS and login methods are barriers.
SMTP outgoing email	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Conditional	Conditional	A specifically compatible mail server/gateway may work.
Personal Gmail in original email client	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Limited	Not built in	Limited	Limited	Authentication and TLS often block practical connection.
Google Workspace Gmail legacy login	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Unavailable in 2026	Unavailable in 2026	Normal password-only third-party access no longer supported.
Outlook.com / Hotmail email	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Unavailable in 2026	Unavailable in 2026	Modern authentication required since Sep 2024.
Microsoft 365 / Exchange Online	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Unavailable in 2026	Unavailable in 2026	Original EAS/POP/IMAP clients lack required OAuth modern auth.
Mail for Exchange with old private servers	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Conditional	Conditional	Conditional	Not built in	Conditional	Conditional	Unlike the E52/5630 and Sony Ericsson clients, the 2007 5310 Series 40 did not ship with a verified native Mail for Exchange client.
IBM/Lotus Traveler legacy support	Not built in	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	E52 marketed enterprise integration; needs surviving matching server.
Corporate remote directory	Not built in	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	E52 client/server configuration needs compatible LDAP/enterprise service.
Mobile IPsec VPN	Not built in	Conditional	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	E52 native mobile VPN supports legacy-compatible gateways only.
Legacy company intranet	Limited	Limited	Limited	Limited	Limited	Limited	Not built in	Not built in	Not built in	Not built in	Limited	Limited	May display simple compatible pages over old VPN/network.
Original Nokia Messaging hosted email	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	5310 shipped with its own S40 email client; that does not establish Nokia Messaging hosted-email service compatibility.
Ovi Mail original accounts	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Original service discontinued.
Ovi Contacts / Nokia Sync cloud	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Nokia Ovi cloud service, never a Sony Ericsson service. Sony Ericsson had its own obsolete web sync setup.
Custom private SyncML synchronisation	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Conditional	Conditional	Requires a compatible server/client and security arrangement.
Bluetooth/PC contact synchronisation	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Conditional	Not built in	Conditional	Conditional	May work with matching older PC/mobile software.
Nokia Store / Ovi Store	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Original application store closed.
Nokia Download! catalogues	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	The original 5310 included Nokia Download!/content links; the old catalogue endpoints are no longer maintained.
Original online video service/catalogue	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Legacy Nokia-hosted endpoints not dependable.
Photo upload / Ovi Share integrations	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Original direct integrations and APIs retired.
Original social-network widgets	Not built in	Not built in	Not built in	Not built in	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	The historic built-in social widgets are documented for Cedar; do not infer that other models included those widgets merely because browsers or app stores exist.
Windows Live Messenger	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Service retired.
WhatsApp for Symbian	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Nokia phones supported the now-retired Symbian client. Sony Ericsson K850i and W995 are Java-based feature phones, not Symbian.
Signal and modern Telegram	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	No supported current Symbian clients.
Skype legacy client	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Skype service retired in 2025.
Spotify native/modern streaming	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	No supported modern Symbian streaming client.
Modern YouTube playback	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	Modern video formats and logins exceed old 2007–2010 browsers. KaiOS still lists YouTube among its services, but app and playback compatibility must be tested; Nokia 235 2nd Edition has no native YouTube.
Modern banking apps	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Symbian version never available for modern apps.
Modern secure banking websites	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Unavailable in 2026	Unavailable in 2026	Security/browser standards incompatible; do not use for sensitive logins.
Czech Bank iD / government login	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Bank iD and modern government authentication were never natively integrated into these phones. Generic browser limitations are assessed separately.
Modern push notification apps	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	No current mobile push notification ecosystem.
Nokia OTA firmware update infrastructure	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Nokia’s original update system is gone. Sony Ericsson used a separate Update Service, also not a supported modern updating path.
Sony Ericsson Update Service (SEUS)	Not built in	Not built in	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	K850i/W995 used Sony Ericsson Update Service; Cedar used PC Companion/wireless updates. None is a dependable vendor-maintained update route in 2026.
Sony Ericsson photo/video blogging integration	Not built in	Not built in	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Historic upload methods and service-side integrations are obsolete; exporting photos manually still works.
Sony Ericsson online SyncML contacts service	Not built in	Not built in	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Sony Ericsson-era hosted sync is gone; a custom compatible private SyncML server is a separate possibility.
W995 YouTube integrated client	Not built in	Not built in	Not built in	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	The original W995 YouTube feature relied on obsolete web/video infrastructure.
W995 historical PlayNow Arena movie downloads	Not built in	Not built in	Not built in	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Associated historic movie-distribution/DRM service no longer available.
Cedar Facebook / Twitter standby web widgets	Not built in	Not built in	Not built in	Not built in	Unavailable in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Historic social-network Widget Manager integration cannot authenticate with current social platforms.
Cedar bundled antivirus update/trial	Not built in	Not built in	Not built in	Not built in	Limited	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	The original trial/local scanner may still be present, but subscriptions, signatures and effectiveness are obsolete.
KaiStore / KaiOS app catalogue access	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	KaiOS documents KaiStore; individual apps and compatibility depend on 2026 availability, region and account. Not equivalent to Google Play.
Install supported third-party KaiOS web apps	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	KaiOS uses web-technology applications, NOT Symbian SIS or Java ME JAR; availability is conditional on KaiStore/sideload possibilities.
WhatsApp on KaiOS in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	Official WhatsApp-on-KaiOS service was retired by early 2025; 6300 4G, 8000 4G and 8110 4G no longer have working WhatsApp.
Google Assistant on classic KaiOS in 2026	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Unavailable in 2026	Unavailable in 2026	Unavailable in 2026	Not built in	Not built in	Not built in	The original 6300 4G / 8000 4G / 8110 4G Google Assistant integration was retired; 235 AI assistant is a different product.
KaiOS Google Maps online app (2026)	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	Manufacturer advertised Maps on KaiOS. Reports of broken app versions mean actual use needs checking; web fallback sometimes works.
KaiOS YouTube app or basic video service	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	KaiOS advertised YouTube, but modern content/DRM/app support may vary. Do not treat it as a guaranteed modern video player.
Xpress Chat texts/voice/pictures/video (2026)	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Not built in	Not built in	New proprietary cross-platform chat on 235 2nd Edition; needs functioning service and data and counterpart with Xpress Chat.
2026 AI assistant online information queries	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Not built in	Not built in	235 2nd Edition assistant answers questions when it can connect. Language quality and Czech availability were not physically verified.
Email on new KaiOS built-in client	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Conditional	Conditional	Conditional	Not built in	Not built in	Not built in	KaiOS mail clients use email protocols; current provider OAuth/TLS requirements can prevent login. 235 S30+ has no standard mail client.
Google services at original launch	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Limited	Limited	Limited	Not built in	Not built in	Not built in	This row refers specifically to the 2018–2020 KaiOS Google service suite. 6300/8000/8110 originally supported Google services but some functions (Assistant) retired. It does not refer to separately installed Google apps on older Symbian/A200/S40 phones.
Samsung ChatON messenger (original service)	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Unavailable in 2026	Unavailable in 2026	Originally advertised on Samsung feature phones; Samsung retired ChatON internationally in February 2015. It cannot sign in or message today.
Samsung Apps original feature-phone catalogue	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Not built in	Unavailable in 2026	Unavailable in 2026	Samsung-era mobile Java application catalogue was advertised for S5610/S5611. The original feature-phone distribution endpoint is not a dependable service in 2026; offline JAR files are evaluated separately.

No matching functions in this section.

47 / 47 features · Sources: Nokia 5630 User Guide (2009) · Nokia E52 User Guide (original PDF) · Sony Ericsson K850i · Sony Ericsson W995 · Microsoft · Microsoft · TrackID music recognition shutdown, September 2017 · Sony Ericsson Cedar J108i · Sony Ericsson Cedar J108i · Nokia 5310 XpressMusic · Nokia 5310 XpressMusic · Nokia 5310 XpressMusic · Nokia 8000 4G · guide · Samsung GT-S5610 manufacturer manual · Samsung GT-S5611 manufacturer manual · Independent Samsung S5611 hands-on

9. Czech cellular networks and MMS in 2026

All twelve can register on GSM 900/1800 MHz in compatible European variants. Czech 3G is retired. Four newer Nokias additionally have 4G LTE radios (EU bands matter), but VoLTE calling still depends on the operator, SIM, firmware and provisioned IMS profile.

Voice and SMSGSM 2G / VoLTE conditional

2G on all twelve; LTE data on four 4G Nokias; voice over LTE must be tested on a Czech operator.

3G/HSPARetired in Czechia

5310 never supported 3G; the others cannot use retired Czech 3G infrastructure.

2G continuityJune 2028

Regulatory condition, not guaranteed everywhere.

Czechia: 2G continuity obligation currently extends until the end of June 2028, subject to a low-demand exception. 3G is already shut down. 4G coverage and supported LTE bands do not automatically imply VoLTE compatibility with Czech operators. MMS may still be available with the correct APN; legacy clients require real-device testing. Keep an adequately supported 4G backup for emergencies.

Sources: ČTÚ · O2 · Vodafone · T-Mobile · Nokia 8000 4G · specs

10. Buying and setup checklist

The table shows only the currently selected 1–6 phones; it is hidden during strict directional mode because buyer tips are not scored as direct objective advantages.

Buyer check	Nokia 5630 XpressMusic	Nokia E52	Sony Ericsson K850i	Sony Ericsson W995	Sony Ericsson Cedar J108i	Nokia 5310 XpressMusic (2007)	Nokia 6300 4G (2020)	Nokia 8000 4G (2020)	Nokia 8110 4G (2018)	Nokia 235 4G 2nd Edition (2026)	Samsung GT-S5610 (2011)	Samsung GT-S5611 (2014)	Practical note
Model variant	RM-431 for Wi-Fi	EU E52	EU K850i	EU W995, not W995a	J108i not J108a	Original RM-303 (GSM 900/1800/1900)	EU 6300 4G (TA-12xx family)	TA-1305 / TA-1300 / TA-1303 / TA-1311; verify EU LTE bands	EU 8110 4G, SIM variant	Nokia 235 4G 2nd Ed (TA-1660/1662/1675/1665)	EU GT-S5610; verify exact label, not S5610K	EU GT-S5611; do not confuse with S5610	Read label below battery; ensure GSM 900/1800 access.
Battery	BL-4CT / 860 mAh	BP-4L / 1500 mAh	BST-38 / 930 mAh	BST-38 / ~930 mAh	BST-43 / 1000 mAh	BL-4CT / 860 mAh	1,500 mAh, removable	Removable 1,500 mAh (inspect condition)	BV-6A / 1,500 mAh	1,450 mAh, removable	Removable 1,000 mAh; verify replacement availability	Removable 1,000 mAh; check battery and contacts	Test the actual battery; factory mAh is not measured endurance.
Charging	Micro-USB	Micro-USB	FastPort	FastPort	Micro-USB	Nokia round 2 mm connector; USB is data ONLY	Micro-USB	Micro-USB 2.0	Micro-USB	USB-C	Micro-USB; test port for intermittent connection	Micro-USB; test socket/charge indicator	5310 requires a compatible separate 2 mm charger; do not assume its Micro-USB port charges.
USB transfer	Micro-USB	Micro-USB	FastPort	FastPort	Micro-USB	Micro-USB data / mass storage / PictBridge	Micro-USB 2.0	Micro-USB 2.0	Micro-USB 2.0	USB-C	Micro-USB; legacy Samsung drivers may be needed	Micro-USB; simpler card-reader transfer is best	Transfer using the correct cable and USB modes; keep the 5310 charger separate.
Memory card	microSDHC	microSDHC	microSD or M2	M2 only	microSDHC	microSD (4 GB advertised)	microSDHC (≤32 GB)	microSDHC (≤32 GB)	microSDHC (≤32 GB)	microSDHC (≤32 GB)	microSDHC; start with ≤16 GB	microSDHC; start with ≤16 GB	Test actual read/write; a microSD adapter is no substitute for M2 compatibility.
Headphones	3.5 mm	3.5 mm	FastPort or adapter	3.5 mm	3.5 mm	3.5 mm	3.5 mm	3.5 mm; required for FM antenna	3.5 mm	3.5 mm	3.5 mm; wired headphones double as FM antenna	3.5 mm; confirms published Czech reviews	Test sound and FM antenna detection.
Wi-Fi	RM-431 only	Yes	No	Yes	No	No	2.4 GHz + hotspot	2.4 GHz + documented Wi-Fi hotspot	2.4 GHz + hotspot	No	No Wi-Fi	No Wi-Fi	2.4 GHz WPA2 only on supported models.
GPS	External	Integrated	No	Integrated	No	No; external Java experiment only	Built-in GPS + GLONASS	Built-in GPS + GLONASS; map services may fail	Built-in GPS	No	No integrated GPS	No integrated GPS	E52/W995 have standalone GPS. Do not confuse approximate cell-ID with GPS.
Camera	3.2 MP dual LED	3.2 MP LED	5 MP AF xenon	8.1 MP AF LED	2 MP fixed, no flash	2 MP fixed, no flash	Rear VGA, LED flash	Rear 2 MP, LED flash, no selfie camera	2 MP, LED flash	2 MP rear + VGA front, LED flash	5 MP autofocus + LED; test focus and torch	5 MP autofocus + LED; test focus and photo flash	Test photo quality and flash/AF condition physically.
Music controls	Dedicated keys	Ordinary keys	Ordinary keys	Walkman keys	Ordinary keys	Dedicated keys + DAC-33	Normal keypad	Normal numeric keypad	Normal keypad	Normal keypad	Regular keys; integrated music + FM recording	Regular keys; integrated music + FM recording	5310/5630/W995 have dedicated playback buttons.
Voice and SMS	2G GSM	2G GSM	2G GSM	2G GSM	2G GSM	2G GSM	2G; VoLTE conditional	GSM 2G; Czech VoLTE not confirmed	2G; VoLTE conditional	2G; VoLTE conditional	2G GSM works; 3G gone; no LTE/VoLTE	2G GSM works; 3G gone; no LTE/VoLTE	Verify calls both directions, SMS, Czech diacritics and operator SIM acceptance.
MMS	APN required	APN required	APN required	APN required	APN required	APN required	Test APN and client	Operator APN / MMS client test	Test APN and client	MMS reported; test APN	Test MMS APN and photo delivery over GPRS	Test MMS APN and photo delivery over GPRS	Test sending a small image and receiving one on your network.
Offline apps	Symbian + Java	Symbian + Java	Java ME	Java ME	Java ME	Series 40 Java ME only	KaiOS preinstalled/KaiStore	Built-in KaiOS apps; KaiStore uncertain	KaiOS preinstalled/KaiStore	S30+ bundled apps only	Samsung Java ME JAR/JAD; verify compatibility	Samsung Java ME JAR/JAD; verify firmware	5310 does NOT install Symbian SIS packages.
Historic maps	Old maps/external GPS	Ovi Maps may survive	Java maps only	Tracker GPS; maps services gone	No GPS	No GPS; Java maps only	KaiOS online maps conditional	KaiOS maps online service conditional	KaiOS online maps conditional	No GPS / no Wi-Fi	No GPS; Java maps would need suitable external hardware	No GPS; no dependable original navigation	Never factory-reset preserved software without backing it up.
Security	Unsupported OS	Unsupported OS	Unsupported OS	Unsupported OS	Unsupported OS	Unsupported OS	Outdated KaiOS; do not rely on legacy login	KaiOS legacy platform; do not use for sensitive logins	Outdated KaiOS; avoid sensitive login	S30+; avoid banking/security logins	Unsupported firmware; avoid modern secure logins	Unsupported firmware; avoid banking and cloud logins	Keep secure logins and banking on a supported phone.

5310 specifically: its Micro-USB data socket cannot charge the battery. Bring a proper Nokia 2 mm compatible charger (AC-3/AC-4 or tested compatible adapter).

11. Practical verdict for 2026

Nokia 5630

Very compact Symbian music phone, S60 apps, dedicated music buttons, Micro-USB charging; no built-in GPS.

Nokia E52

Strongest office-oriented native functions and large original battery, plus standalone GPS.

Sony Ericsson K850i

5 MP autofocus and xenon still-photo flash; proprietary FastPort, no Wi-Fi or GPS.

Sony Ericsson W995

Best original multimedia hardware blend: Walkman, 8.1 MP, Wi-Fi, GPS, stereo speakers.

Sony Ericsson Cedar

2010 minimalist with accessible Micro-USB/3.5 mm/microSD, but limited camera and no Wi-Fi/GPS.

Nokia 5310 (2007)

Smallest/lightest here, dedicated music keys, DAC-33, 3.5 mm, FM/RDS; no 3G/Wi-Fi/GPS. Must charge via Nokia 2 mm connector.

Nokia 6300 4G (2020)

Most flexible keypad internet option here: LTE, hotspot, GPS/GLONASS and KaiStore. Weak VGA camera; WhatsApp/Google Assistant have ended.

Nokia 8000 4G (2020)

Larger-screen KaiOS sibling of the 6300 4G: 2.8-inch display, 2 MP + LED camera, LTE, Wi-Fi hotspot, GPS/GLONASS and FM. Heavier and still vulnerable to expired KaiOS services; VoLTE compatibility in Czechia must be tested.

Nokia 8110 4G (2018)

Iconic slider and LTE/Wi-Fi/GPS hardware with older KaiOS and retired messaging integrations.

Nokia 235 4G 2nd Edition (2026)

Most recent model: LTE, USB-C, dual nano-SIM, 2.8-inch display, headset-free FM and front camera. No Wi-Fi/GPS; AI/Xpress Chat network-dependent.

Samsung S5610

Very capable 2G/3G keypad camera phone: genuine 5 MP autofocus, FM-radio recording, Java ME and torch shortcut, but no 4G/Wi-Fi/GPS.

Samsung S5611

Updated storage and UI over S5610 with the same 5 MP autofocus, FM and Java ME. No native torch shortcut; no LTE/Wi-Fi/GPS. Inspect firmware and charging socket.

Use the directional two-select filter to reveal exactly what one handset lacks against another; it is stricter than a conventional general-differences filter.

12. User-reported problems that still matter in 2026

Czech and English owner reports for all 12 phones, screened for defects and design problems still relevant to 2026 purchases. Reports do not establish incidence rates. Cards follow the selected devices and their custom left-to-right order; in directional mode only the A/B cards appear and do not affect the feature score.

What is included: hardware wear, usability, persistent software defects and purchase/region risks that affect calls, SMS, offline use or everyday ownership today.

What is excluded: broken WhatsApp/old Nokia services, retired 3G, 2009 prices, old network coverage complaints and model mix-ups. Those are already accounted for in the main functionality tables.

Evidence warning: reports establish possible symptoms, not failure rates. Several models have strongly mixed owner experiences. The 2026 Nokia 235 2nd Edition has too little ownership evidence for an honest list of recurring hardware defects.

Nokia 5630 XpressMusic (2009)

Physical keypad and battery life matter more now than historic app reviews.

3 checks

Keypad wear and narrow keysControls
A long-term owner described sticking or unreliable keys; a Czech buyer also found the narrow keypad uncomfortable for texting.
Test when buying: Type a long SMS and press every navigation/music key repeatedly; look for missed or double presses.
Owner + retailer reportsEN owner · CZ owners
Shorter runtime when used as a music playerBattery / daily use
A Czech owner reported roughly two days with SMS/calls and approximately one day when listening to music heavily. The small original battery compounds ageing risk.
Test when buying: Use a healthy replacement battery and test several hours of music, standby and a call before trusting it as your only phone.
Czech owner evidenceCZ owners
Plastic body and rear-cover wearPhysical construction
Czech and English owners reported cheaper plastic construction, and the Czech owner described a back cover becoming loose after months.
Test when buying: Check panel fit, scratches, contact pressure and looseness with the battery installed.
Independent ownersCZ owners · EN owner

Nokia E52 (2009)

Prioritise reliable speech on actual calls, not its original endurance rating.

3 checks

Voice cutting out / distant microphone soundCalling
Some owners said callers could not hear them properly; the dual-microphone noise-cancellation system was suspected, although hardware faults can produce similar symptoms. Later firmware may behave better.
Test when buying: Call a real Czech SIM from a quiet room and a street. Ask the other person whether syllables disappear; repeat with a headset.
Independent EN + CZ reportsCZ owner discussion · EN owner discussion · E52 manual
Occasional freezing, restart or failure to bootStability / ageing
Owners described crashes, spontaneous shutdowns and some motherboard failures. These are not established defect rates and may depend on firmware/unit condition.
Test when buying: Cold-boot repeatedly, browse contacts, call, open gallery and leave on standby overnight; reject any repeated reboot or freeze.
Independent historical owner reportsEN owner discussion · EN owner reviews
Small softkeys and occasionally weak call/loudspeaker volumeErgonomics / audio
Reviewers and owners noted easy-to-miss softkeys and modest loudspeaker levels; a Czech 2026 buyer also found the compact keypad and low volume unsuitable for their needs.
Test when buying: Try keypad in one hand and test ringing, earpiece and speakerphone volume in noise.
CZ + EN ownersEN owner reviews · CZ owner reviews

Sony Ericsson K850i (2007)

Known boot and touch-button failures make a fully demonstrated working unit essential.

4 checks

Blue-ring startup failure / dead handsetBoot / critical fault
Owners describe boot failure with the camera ring lighting while the handset does not finish starting. This may be repairable with legacy flashing, but the original service ecosystem is gone.
Test when buying: Insist on a live cold boot; turn it off/on repeatedly and check startup without a cable attached. Do not accept a blue-ring-only unit as working.
Repeated historical and 2024 ownersEN owner forum · EN 2024 owners · CZ owner repairs
Intermittent capacitive navigation keysInput / critical fault
The touch-sensitive controls near the display can trigger on their own or stop responding; this makes ordinary navigation difficult.
Test when buying: Open menus, type, delete and operate the three touch zones repeatedly without touching the display edges.
Independent CZ + EN reportsCZ owner repairs · EN owner forum
Screen blacks out or reacts to keypad pressureDisplay / ageing
Owners reported a lit or responsive phone with a dark display, sometimes linked to keypad pressure. Causes cannot be diagnosed from forum posts alone.
Test when buying: Test the display during calls, camera use and gentle keypad operation; reject intermittent black screens.
Several Czech repair questionsCZ owner repairs
Xenon flash can overexpose close subjectsCamera limitation
Czech reviewers complained of washed-out close-range flash photos, despite generally liking the camera. It remains a property of the original imaging system.
Test when buying: Take sample indoor portraits and close-up flash photos before purchasing mainly for photography.
Czech buyer experienceCZ owner reviews

Sony Ericsson W995 (2009)

Check the moving slider, flex ribbon and FastPort, not just the impressive Walkman hardware.

4 checks

Slider wobble and loosenessMoving hardware
Owners reported play in the sliding assembly; some sent units for repair. A used slider may have considerably more wear today.
Test when buying: Slide it open/closed 20 times, then gently test for excessive lateral play, rattles and failure to latch.
Multiple EN ownersEN Sony community
Intermittent display or earpiece via flex cableMoving electronics / high impact
A 2025 owner described voice cutting in and out as the slider moved; a 2024 repair report identified a damaged display cable. These are actual surviving-unit failure scenarios.
Test when buying: During a call move the slider normally; watch display and check continuous earpiece sound in both positions.
2024 repair + 2025 daily userEN 2025 owner · EN iFixit repair
FastPort charging/data connection becomes unreliableCharging / accessories
Owners have reported unstable Sony Ericsson FastPort connections and charging interruptions. A bad battery can cause similar symptoms.
Test when buying: Bring a confirmed good compatible charger/cable; check that charging stays active without holding the plug at an angle.
Sony community + 2025 ownerEN Sony community · EN 2025 owner
Low-light photos below 8 MP expectationsCamera limitation
Even when functioning correctly, reviews criticised indoor detail and low-light performance despite the high megapixel number.
Test when buying: Test a dim indoor photograph instead of judging only the camera specification.
Independent hands-on reviewsEN hands-on review

Sony Ericsson Cedar J108i (2010)

Its basic phone software aged more gracefully, but camera, screen and worn plastics are limitations.

3 checks

Weak 2 MP camera, no AF or flashPhotography
Repeated owner criticism focuses on blurry or low-quality pictures, especially indoors. This is an enduring hardware limitation, not a broken online service.
Test when buying: Take an indoor picture and a close-up and decide whether the result is acceptable.
CZ + EN ownersCZ owner reviews · EN owner reviews
Limited display viewing angles and text-prediction ergonomicsReadability / input
Czech owners mention poor side-angle visibility and a T9 dictionary that some found worse than earlier Sony Ericsson phones.
Test when buying: Read texts outdoors, tilt the display, and compose a Czech SMS with T9.
Czech owner reviewsCZ owner reviews
Plastic/rear-cover fit and weak speaker on some unitsConstruction / audio
Some owner reports describe loose-feeling plastics or modest volume, but others report excellent durability and audio. Treat this as a unit-specific inspection, not a proven widespread fault.
Test when buying: Test volume and inspect the battery-door tabs; avoid units with broken clips or muffled sound.
Mixed individual owner reportsCZ owner reviews · EN owner reviews

Nokia 5310 XpressMusic (2007)

Confirm the 2007 RM-303 model, physical key integrity and its separate 2 mm charger.

4 checks

Side music controls may detach or stick over timeButton ageing
Owners of the original 5310 describe music-button mounts loosening or buttons falling off after years. Still relevant to used units.
Test when buying: Operate play/pause and skip buttons repeatedly; inspect rubber mounts and gaps at the sides.
Multiple owners in recent threadEN 2025-26 owners
Slippery, close-spaced numeric keypadErgonomics
A detailed reviewer had trouble distinguishing keys when texting, occasionally pressing adjacent digits. This is a design trait, not a service failure.
Test when buying: Type a few full SMS messages before purchase, particularly if you have larger fingers.
Independent contemporary reviewEN hands-on review
Requires Nokia 2 mm charger; USB does not chargeCharging / 2026 buying friction
Czech recent buyers complain about the unusual charger; unlike later phones, its Micro-USB is for data rather than power.
Test when buying: Confirm the correct 2 mm charger is provided and the charging socket holds contact; do not assume your Micro-USB cable will charge it.
Czech 2025 buyer + period testingCZ owners, incl. 2025 · EN hands-on review
Scratch-prone original face/display and weak cameraPhysical / media
A 2025 Czech buyer found the display scratched quickly; the 2 MP fixed-focus camera and slow imaging are commonly criticised.
Test when buying: Inspect display under bright light and test capture/storage to a card.
Czech 2025 owner + period reviewCZ owners, incl. 2025 · EN period review

Nokia 8110 4G (2018)

Its distinctive sliding cover hides genuine day-to-day usability problems.

3 checks

KaiOS slows down during contacts, messaging and menusSoftware responsiveness
Owners repeatedly found the interface laggy, particularly when navigating contacts and composing SMS. This is still relevant to surviving firmware in 2026.
Test when buying: Time opening contacts, SMS and call log repeatedly; check whether inputs queue or freeze.
CZ + EN owner reportsCZ owner reviews · EN KaiOS owners
Double presses, missed inputs and a cramped keypadKeypad reliability
Real users report keys registering twice or failing to register. The tiny keypad is also repeatedly criticised.
Test when buying: Compose a long SMS and dial a 15-digit test sequence; press each key 10 times at normal pressure.
Independent owners in 2020 and 2024EN owner report · EN 2024 owner · CZ owner reviews
Slider ergonomics and easy-to-miss SMS alertsErgonomics / notifications
Czech buyers report the opened slider getting in the way and incoming SMS being signalled by a very small screen indicator.
Test when buying: Open/close the cover, answer a real call, then lock the phone and send an SMS to inspect the alert.
Czech verified buyersCZ owner reviews

Nokia 6300 4G (2020)

Keypad bounce and software reliability dominate reports more than the radio specification.

4 checks

Keypad registers duplicate digits or lettersPhysical input / high impact
Multiple 2021-2025 owners report one keypress generating two or three inputs, including SMS typing and menu navigation. Others explicitly report no problem: inspect the individual unit.
Test when buying: Type 5 long SMS messages and try each number key repeatedly. Test at normal pressure, not only pressing hard.
Repeated independent ownersEN multi-owner discussion · EN owners in 2023 · EN owner in 2025
Sluggish KaiOS and occasional application crashesResponsiveness
Menus or apps may pause, icons may load slowly and heavy tasks may crash. Memory cleaning may help, but is not a dependable firmware fix.
Test when buying: Boot, open contacts, navigate SMS, settings and browser in succession; reject hangs affecting calling.
Independent owners over several yearsEN owner in 2025 · EN owner experiences
Unreliable alarms, email checking and SMS workflowsLocal notifications / workflow
Some owners report late alarms or inconsistent mail polling; older KaiOS SMS/group conversations may also behave unexpectedly. Email-service retirement is handled separately in the main feature table.
Test when buying: Set an alarm a few minutes ahead with screen locked, send SMS and check notification behaviour.
Multiple owner reportsEN owner in 2025 · EN owner discussion · EN owner experiences
Uncertain quality of newly sold / refurbished stockPurchase authenticity
Recent Czech listings have buyer complaints suggesting a non-original or misrepresented unit. This is a listing risk, not proof that genuine Nokia 6300 4G phones are counterfeit.
Test when buying: Check the exact 2020 4G model, KaiOS information, HMD markings and return terms; do not confuse it with Nokia 6300 (2007).
2025-26 CZ buyer warningsCZ 2025-26 buyers

Nokia 8000 4G (2020)

The larger screen does not solve KaiOS slowness or awkward flat keys.

4 checks

Noticeable lag even in basic phone tasksKaiOS / responsiveness
Owners repeatedly describe slow opening of contacts, SMS, menus or gallery and occasional app problems. The phone may feel slower than the older feature phones it replaces.
Test when buying: Test call log, contact search, texting and gallery on the actual firmware for several minutes.
CZ + multiple EN ownersCZ retailer reviews · EN KaiOS owners · EN owner report
Flat/mushy keys, mispresses and some double inputsTyping / controls
Czech owners dislike the keys lying almost flush with the face; an English owner reported occasional double inputs.
Test when buying: Compose two long texts with T9, navigate settings, and check every key for bounce.
CZ owner + EN ownerCZ retailer reviews · EN 2024 owner
Glossy shell and screen scratch easilySurface durability
Owners report scratch-prone shiny plastic and conspicuous wear. This remains important when inspecting a pre-owned or old-stock handset.
Test when buying: Inspect the display, keypad face and rear under angled light; consider a sleeve if the finish matters.
Independent EN owner + Czech reviewsEN build report · CZ retailer reviews
SMS/audio/accessory bugs vary with firmwareSoftware / accessories
Reports include delayed SMS, unreliable accessory recognition and Bluetooth/Wi-Fi glitches. These are not proven universal defects.
Test when buying: Test receiving SMS with screen locked, wired headphones, Bluetooth and Wi-Fi on the specimen.
Owner reports, less establishedEN 2024 owner · EN owner report

Nokia 235 4G 2nd Edition (2026)

Very limited European ownership history. Do not copy fault claims from the different 2024 Nokia 235.

1 checks

Advertised cloud-app availability may differ in EuropeRegional software availability
A buyer of the 2026 edition in Austria reported no Cloud Apps on their handset, despite finding references to a global offering. That is directly relevant in Czechia, but is not yet a repeated hardware defect.
Test when buying: On the exact EU/Czech unit, check installed apps, network-dependent features and firmware BEFORE paying.
One specific 2026 Austrian ownerEN EU owner, Sep 2026 · HMD 2026 product

Samsung GT-S5610 (2011)

Check the one-key keypad lock, accidental camera activation, 5 MP autofocus and worn Micro-USB charging contacts.

4 checks

One-key keypad lock can activate unintentionallyKeypad lock / ergonomic design
Czech buyers warn that the simple locking mechanism can unlock in pockets or bags. This is a persistent design quirk rather than a network issue.
Test when buying: Carry it in your pocket, press the lock/unlock control deliberately, and check whether keys activate accidentally.
Recurring Czech owner discussionCZ Heureka owner reviews
Camera shortcut easily pressed while handling the phonePhysical controls
Some owners mention accidental camera launches when gripping or pocketing the handset. Side-key condition may vary with use.
Test when buying: Hold the handset one-handed and type SMS while checking for unwanted camera launches.
Czech owner reviews, mixed reportsCZ Heureka S5610
Bright sunlight readability and small menu fontsDisplay / everyday usability
Some period reviewers and buyers find the small QVGA screen difficult in strong sunlight. This weakness still applies in 2026.
Test when buying: Open Messages and Contacts outdoors; decide whether font size and contrast suit you.
Contemporary user experiencesCZ Heureka S5610 · GSMArena model details
Intermittent USB charging and ageing keypad (individual reports)Wear / condition, not a measured defect rate
Old units can develop dirty charging contacts or nonresponsive keys; owner reports are anecdotal, not evidence that all S5610s fail.
Test when buying: Try multiple charging cycles, all twelve keys and USB mass-storage mode.
Anecdotal condition reportsCZ Heureka reviews

Samsung GT-S5611 (2014)

Although similar on paper, the original flashlight shortcut is missing; also inspect its menu, notification handling and charging port.

4 checks

No independent flashlight toggle unlike S5610Confirmed firmware/design difference
Czech S5611 owners explicitly report that holding the navigation key does not turn on the LED as on the S5610. Camera flash still works.
Test when buying: Try switching on the LED without opening the camera; do not assume the predecessor shortcut exists.
Multiple Czech owner questions and repliesCZ Heureka flashlight Q&A · CZ review
Small fonts and sometimes unintuitive menusUsability
Reviewers and Czech owners note small text and interface differences versus earlier Samsung firmware. This is still relevant offline.
Test when buying: Navigate contacts, text entry, shortcuts and calendar rather than judging from the home screen.
Independent review and Czech buyersmobilenet.cz hands-on · Heureka CZ reviews
Call/SMS notification icons behave unexpectedly (some reports)Software / firmware variability
A subset of users describe confusing missed-call or message indicators. No reproducible failure rate or universal defect is established.
Test when buying: Receive calls and SMS with screen locked; test missed-call and unread-message badges.
Mixed Czech owner reportsHeureka CZ reviews
Charging contact or audio problems (isolated owner reports)Condition-specific, limited evidence
Some buyers reported charging failures or mediocre recordings. These are isolated anecdotes and may reflect individual old units rather than a model-wide defect.
Test when buying: Charge by cable for 15 minutes; record/play voice and FM audio; inspect the Micro-USB slider cover.
Limited Czech user observationsHeureka CZ owners

Reports are original owner/reviewer observations. The specific inspections above are practical recommendations inferred from the reported symptoms, not manufacturer-approved diagnostic procedures. The source links lead to the original discussions or seller reviews. A dead battery, a non-original refurbishment or a broken part can explain a symptom without proving it is inherent to the model.

13. Original documentation, independent verification and limits

Manufacturer user guides and first-party specification pages establish original features, cross-checked with independent Czech and international reviews. Samsung S5610/S5611 differences and ChatON retirement use original Samsung manuals, 2014 Czech hands-on reviews, owner Q&A and shutdown announcements. Czech network status comes from ČTÚ/operators. Technical unknowns are marked Conditional or Not built in only when sufficiently evidenced. No physical handsets tested.

ČTÚ — Czech 2G outlook (English)Primary regulator; 2G obligation until June 2028, with <5% demand exception.
T-Mobile CZ — 3G shutdownOperator confirmation of 2021 3G shutdown.
Nokia 5630 User Guide (2009)Original user guide: radio, media, phone, internet, organiser, GPS accessory.
Nokia 5630 service manual (RM-431 / RM-432)Original service specifications; crucial WLAN/3G variant differences.
Nokia E52 User Guide (original PDF)Original manual: GPS, calling, office, Wi-Fi, Bluetooth, media and VPN.
O2 Czechia — MMS configurationMMS still documented; APN mms, GPRS transmission and 300 kB maximum.
Vodafone Czechia — MMS serviceCurrent operator documentation; 300 kB guaranteed MMS limit.
T-Mobile Czechia — MMS FAQOperator documentation for MMS enablement and troubleshooting.
Microsoft — Exchange Online Basic Auth retirementModern OAuth authentication necessary for standard Microsoft 365 mail access.
Microsoft — Outlook.com modern authenticationMicrosoft notice: password-only Basic Auth ended September 2024.
Nokia E52 — original compass documentationElectronic compass operation and calibration.
Sony Ericsson K850i — original user guideOriginal manufacturer manual: photography, multimedia, FM radio, sync and Java apps.
Sony Ericsson W995 — original user guideOriginal manufacturer manual: Walkman, SensMe, GPS Tracker, Wi-Fi, DLNA, photo editing, Exchange ActiveSync.
Sony Ericsson K850i — original technical white paperManufacturer white paper: radio bands, Java platform, memory-card combo slot, camera, Bluetooth profiles and EAS 2.5.
Sony Ericsson W995 — Czech-era launch informationContemporary press release: W995 8.1 MP, Walkman, Wi-Fi/DLNA, GPS and M2 storage.
TrackID music recognition shutdown, September 2017Independent report of Sony’s official end-of-service announcement for TrackID.
Sony Ericsson W995 — contemporary handset specificationCzech contemporary detailed specification, including W995 size, battery, connectivity, 8GB M2 and audio features.
Sony Ericsson K850i — contemporary camera reviewIndependent contemporary testing of K850i 5 MP autofocus, xenon flash, camera modes and microSD/M2.
Sony Ericsson Cedar J108i — original extended user guide (manufacturer)Original Sony Ericsson guide: camera, FM radio, 3G calls, activity/widget menu, photo fix, cell-ID geotagging, PC Companion, Java, email and SyncML.
Sony Ericsson Cedar J108i — independent Czech hands-on review (2010)Independent Czech review corroborating Micro-USB, 3.5 mm, microSD, no Wi-Fi, 2 MP camera, ~84 g and 1000 mAh battery.
Sony Ericsson Cedar J108i — independent specificationsIndependent supplementary reference for 2 MP/no flash, Bluetooth 2.1, no satellite GPS, FM/RDS, BST-43 battery.
ČTÚ — operational status and outlook of Czech 2G networksCzech regulator: 2G voice/SMS/EDGE and minimum operation to June 2028 subject to regulatory exception.
Nokia 5310 XpressMusic — original 2007 user guide (Nokia)Original Nokia manual: GSM, calling, MMS, voice dial, PTT, FM, camera, memory card, Java, organizer, email, PictBridge, data over Micro-USB, separate charging.
Nokia 5310 XpressMusic — original Nokia manufacturer data sheetNokia datasheet: 70.2 g, BL-4CT 860 mAh, 2.0-inch QVGA, 2 MP, 4 GB microSD advertised, audio DAC-33, 18-hour claimed music playback, dedicated music buttons.
Nokia 5310 XpressMusic — independent Czech period review (mobilenet.cz)Czech 2007 review independently confirms USB does not charge, FM/RDS, camera, music controls, software, 2G-only and low weight. The spec table contains an isolated contradictory UMTS entry; its narrative confirms no 3G.
Nokia 5310 RM-303 — original Nokia technical/service documentationOriginal technical reference explicitly identifies the small Nokia 2 mm charging socket and separate Micro-USB data cable.
Nokia 5310 — contemporary GSMArena review (2008)Period independent confirmation: Series 40 5th Edition, original hardware, A2DP and camera limitations.
Nokia E52 manufacturer user guide — equaliser presets and local settingsOriginal Nokia E52 instructions explicitly detail its Equaliser menu, editable frequency presets and offline operation.
Nokia E52 manufacturer user guide — USB Media transferOriginal E52 manual explicitly documents selecting Media transfer over USB for Windows Media Player. Supports functionality itself, not any particular current OS.
Sony Ericsson K850i original user guide — USB media-transfer modeOriginal Sony Ericsson manual documents both Media transfer and Mass storage USB modes using its FastPort connector.
Nokia 5630 XpressMusic — original music player equaliser reviewedIndependent 2009 review confirms the Nokia 5630 local equaliser and manual settings.
Sony Ericsson Cedar — period review documenting MegaBass equaliserIndependent contemporary review documents Cedar built-in music equaliser.
HMD Nokia 6300 4G — official technical specificationsWi-Fi b/g/n, LTE European bands, GPS/GLONASS, camera, storage, battery, KaiOS.
HMD Nokia 8110 4G — official technical specificationsCurved 8110 4G, 2.45 in display, 2 MP, IP52, GPS/A-GPS, Wi-Fi hotspot and battery.
HMD Nokia 8110 4G — official user guideFirst-party guide: SMS, email, Wi-Fi, radio, music, GPS, KaiOS Store, USB and more.
HMD Nokia 235 4G 2nd Edition (2026) — official technical specsDistinct 2026 2nd Edition: 2.8 in IPS, 4G, S30+, front camera, 2 MP LED, USB-C, 1450 mAh, dual SIM, Bluetooth 5.
HMD Nokia 235 4G 2nd Edition — official product overviewFirst-party Xpress Chat/AI overview; location and network restrictions, no guaranteed local operation.
HMD Nokia 235 4G 2nd Edition — Czech user guide, cameraNative front/rear photo and video, camera flash. Confirms these are installed native functions.
HMD Nokia 235 4G 2nd Edition — Czech user guide, AI assistantNeeds SIM and non-airplane mode; functioning service not guaranteed in all regions.
KaiOS official — WhatsApp discontinuationKaiOS WhatsApp stopped accepting new users June 2024; existing support ended early 2025.
KaiOS official — Google Assistant end of supportOriginal Google Assistant integration for legacy KaiOS phones stopped in 2022.
KaiOS official — KaiStore management guidanceKaiStore exists, but individual installed apps need live compatibility checks.
GSMArena — Nokia 6300 4G original specificationsIndependent check of 104.7 g, 2020 announcement/2021 retail, VGA camera, LTE, hotspot, battery.
GSMArena — Nokia 8110 4G independent contemporary reviewIndependent detailed confirmation of KaiOS, 2MP camera, GPS, 4G, Wi-Fi, slide mechanism and weight.
GSMchoice — Nokia 235 4G 2024 vs 2026 2nd EditionIndependent specifications confirm 2nd Edition has no Wi-Fi, satellite GPS or hotspot.
mobilenet.cz — Nokia 235 4G 2nd Edition (2026)Local Czech specs and contemporary launch timing; some fields conflict with HMD; manufacturer data used for camera flash and LTE bands.
T-Mobile CZ — VoLTE and VoLTE roaming requirementsOperator confirms 4G band support alone does not establish working VoLTE/VoLTE roaming; per-device/partner support matters.
Nokia E52 manual — JAR/JAD application installationManufacturer documentation explicitly explains native Java installer support, JAR installation, digital signature warnings and compatible application limitations.
KaiOS developer docs — web apps rather than Java MIDletsKaiOS states that user applications are HTML5/JavaScript/CSS web apps. Traditional Java ME JAR/JAD installers are not built into KaiOS.
HMD — Nokia 8000 4G original technical specificationsPrimary original specifications: 2.8-inch QVGA, 2 MP, 1500 mAh, GPS/GLONASS, Bluetooth 4.0, 4GB/512MB, EU LTE 1/3/5/7/8/20, Micro-USB and nano-SIM.
HMD — Nokia 8000 4G original user guideManufacturer guide for calls, messages, camera, music, FM radio, browser, Wi-Fi, calendar, notes, converter and file manager.
HMD — Nokia 8000 4G hotspot instructionsManufacturer guide explicitly documents phone-as-Wi-Fi-hotspot and Internet sharing, including dual-SIM variant option.
mobilenet.cz — Nokia 8000 4G contemporary Czech launch coverageIndependent contemporary Czech coverage confirms 2021 Czech availability, 110.2 g weight, 2MP LED flash and 2.8-inch display; some chipset tables conflict with HMD.
GSMArena — Nokia 8000 4G specificationsSecond independent check of dimensions, 110.2 g weight, launch timing, KaiOS, SIM variants, camera and battery.
HMD — Nokia 6300 4G original calls guideDocuments normal dialled calls rather than legacy 3G circuit-switched video calling.
HMD — Nokia 8000 4G original calls guideOriginal KaiOS model; normal phone calls described, no classic video-call dialler.
HMD — Nokia 235 4G 2nd Edition original calls guideS30+ regular dialling; video calling is provided separately through Xpress Chat.
Samsung GT-S5610 — original Samsung Czech support and manuals2011 handset; manufacturer support with Czech and English manuals, original local applications.
Samsung GT-S5611 — original Samsung Czech support and manuals2014 handset; manufacturer original Czech and English user guides.
Samsung S5610 — GSMArena detailed specificationsIndependent dimensions, 3G radio, 5 MP autofocus, FM radio, A2DP, storage and battery.
Samsung S5611 — GSMArena detailed specificationsIndependent 2014 model hardware; 256 MB internal storage, 5 MP autofocus and FM recording.
Samsung S5611 — Czech contemporary test (mobilenet.cz)Independent hands-on: physical 3.5 mm jack, USB, camera, battery and user interface.
Samsung S5611 — original Czech guide transcriptOriginal manufacturer manual extracted as searchable text: FM recording, Java, SOS, Mobile Tracker and simulated calls.
Samsung S5610 — Czech owner reviewsCzech user experiences, lock ergonomics, accidental camera activation and general handling; individual defects not statistically representative.
Samsung S5611 — Czech owner reviewsCzech user experiences with menu, alerts, fonts, buttons and charging.
Samsung S5611 flashlight complaint — owner Q&AOwners compare 2011 S5610 shortcut against 2014 S5611. Not every firmware-specific workaround can be guaranteed.
Samsung ChatON shutdown — 2015 announcementOriginal Samsung messaging ecosystem stopped service February 2015; used to distinguish Unavailable in 2026 from never present.

Directional methodology: CLEAR advantage means A is Conditional, Limited, Unavailable in 2026, or Not built in, while B Works. POTENTIAL advantage means A is Unavailable in 2026 or Not built in and B is Conditional or Limited; this does NOT guarantee B works. Both red and grey are currently unusable, but only red means formerly supported software/service or present hardware stranded by external shutdown; grey means never built in. A red-vs-grey difference never counts as a usable functional advantage in either direction. Strict mode hides potential advantages. Proprietary connector branding or model-specific interface names alone are not ranked. Conditional and Limited are deliberately not ordered against each other. Hardware gaps are based only on documented numeric values, with higher camera MP/display diagonal/nominal battery capacity and lower weight/thickness counted by their declared axis. Camera resolution, capacity or size alone do not establish better photos, battery life or everyday usability. Historical maps, firmware installations and retired online services are not guaranteed. Nokia 5310 (2007) is not the 2020/2024 reissue.

12 Nokia, Sony Ericsson & Samsung phones in 2026: what still works?

Choose your phones and how to compare them

Directional comparison — where is phone A worse than phone B?

1. Original hardware specifications

2. Calls, SMS, MMS and mobile networks

3. Connectivity, Wi-Fi, USB and storage

4. Music, radio and audio

5. Cameras, multimedia editing and games

6. GPS, fitness tracking, maps and navigation

7. Organiser, office tools, local security and apps

8. Browser, email, apps and discontinued online services

9. Czech cellular networks and MMS in 2026

10. Buying and setup checklist

11. Practical verdict for 2026

Nokia 5630

Nokia E52

Sony Ericsson K850i

Sony Ericsson W995

Sony Ericsson Cedar

Nokia 5310 (2007)

Nokia 6300 4G (2020)

Nokia 8000 4G (2020)

Nokia 8110 4G (2018)

Nokia 235 4G 2nd Edition (2026)

Samsung S5610

Samsung S5611

12. User-reported problems that still matter in 2026

Nokia 5630 XpressMusic (2009)

Nokia E52 (2009)

Sony Ericsson K850i (2007)

Sony Ericsson W995 (2009)

Sony Ericsson Cedar J108i (2010)

Nokia 5310 XpressMusic (2007)

Nokia 8110 4G (2018)

Nokia 6300 4G (2020)

Nokia 8000 4G (2020)

Nokia 235 4G 2nd Edition (2026)

Samsung GT-S5610 (2011)

Samsung GT-S5611 (2014)

13. Original documentation, independent verification and limits