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| Phone | LG Tritan AX-840 / UX-840 | ZTE Obsidian | Sonim XP3plus | Sony Ericsson K850 |
| Current U.S. Carriers | (none) | (none) |
AT&T T-Mobile Verizon |
(none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3" diag. 5 : 3 |
4.5" diag. 16 : 9 |
2.8" diag. 4 : 3 |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
240 x 400 pixels (~155 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | 950 mAh | 1,800 mAh | 2,300 mAh | ? |
| Processor | ? | 1 GHz MediaTek / MT6735M | 2 GHz Qualcomm Snapdragon 662 (SM6115) | ? |
| RAM | ? | 1 GB | 2 GB | ? |
| Storage | ? raw hardware | 8 GB | 16 GB | ? raw hardware |
| Main Camera | 3 megapixel | 5 megapixel | 8 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | 720p HD | 1080p HD | ? |
| Front Camera | - | 2 megapixel | - | - |
| Weight |
5.03 oz (143g) |
4.66 oz (132g) |
7.76 oz (220g) |
4.2 oz (119g) |
| Dimensions |
4.45" x 2.24" x 0.65" (113 x 57 x 16.5 mm) |
5.41" x 2.7" x 0.39" (137 x 69 x 10 mm) |
4.57" x 2.36" x 1.1" (116 x 60 x 28 mm) |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
| Form Factor | Slide | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 25, 26, 30, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | LTE (Cat 4) | LTE (Cat 13) | HSDPA 3.6 |
| Features | ||||
| Barometer | - | - | Yes | - |
| Flashlight | - | Yes | Yes | - |
| GPS / Location | Yes | n/a | Yes | - |
| Ruggedized | - | - | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Adjustable Text Size | Yes | n/a | Yes | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | Yes | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes USB Type C |
Yes |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | Yes | Yes |
| Voice Dialing | Yes | n/a | Yes | Yes |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | - | Yes |
| Real-Music Ringers | Yes | n/a | - | Yes |
| Data & Network | ||||
| Data Tethering | - | n/a | Yes | Yes |
| WAP / Web Browser | Yes | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | - | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | Yes |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | n/a | - | Yes |
| Instant Messaging | Yes | n/a | - | - |
| MMS | Yes | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | Yes | Yes |
| Music | ||||
| FM Radio | - | - | Yes | Yes |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - |
| Music Player | Yes | n/a | Yes | Yes |
| Photo & Video | ||||
| Video Calling | - | n/a | - | Yes * |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes |
| Calendar | Yes | n/a | Yes | Yes |
| To-Do List | - | n/a | - | Yes |
| Voice Memo | Yes | n/a | Yes | Yes |
| Software | ||||
| BREW | Yes | n/a | - | - |
| Games | Yes | n/a | - | Yes |
| Java (J2ME) | - | n/a | - | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| LG Tritan AX-840 / UX-840 | ZTE Obsidian | Sonim XP3plus | Sony Ericsson K850 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG Tritan AX-840 / UX-840 | ZTE Obsidian | Sonim XP3plus | Sony Ericsson K850 |
