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| Phone | LG Tritan AX-840 / UX-840 | Sony Ericsson K850 | Ericsson R278d | Sharp Z-800 (Audiovox 7900) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3" diag. 5 : 3 |
2.2" diag. 4 : 3 |
? | ? |
| Display Resolution & Type |
240 x 400 pixels (~155 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
101 x 40 pixels |
? LCD (Color) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 950 mAh | ? | ? | ? |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 3 megapixel | 5 megapixel | - | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | ? | - | - |
| Front Camera | - | - | - | - |
| Weight |
5.03 oz (143g) |
4.2 oz (119g) |
9.28 oz (263g) |
4.25 oz (120g) |
| Dimensions |
4.45" x 2.24" x 0.65" (113 x 57 x 16.5 mm) |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
3.6" x 2" x 1.1" (91 x 51 x 27.9 mm) |
| Form Factor | Slide | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
TDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | EVDO r0 | HSDPA 3.6 | - | - |
| Features | ||||
| GPS / Location | Yes | - | - | - |
| Accessibility | ||||
| Adjustable Text Size | Yes | - | - | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- | - | - |
| Multiple Languages | Yes | Yes | Yes | - |
| TTY/TDD (Digital) | Yes | Yes | - | - |
| Alerts | ||||
| Ringer Profiles | - | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | - |
| USB |
Yes Micro-USB |
Yes | - | - |
| Contacts | ||||
| Picture ID | Yes | Yes | - | Yes |
| Ringer ID | Yes | Yes | - | Yes |
| Voice Dialing | Yes | Yes | - | - |
| Customization | ||||
| Custom Graphics | Yes | Yes | - | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes |
| Real-Music Ringers | Yes | Yes | - | - |
| Data & Network | ||||
| Data Tethering | - | Yes | Yes | Yes |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | - | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | Yes | - | - | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | - |
| Messaging | ||||
| Email Client | Yes | Yes | - | - |
| Instant Messaging | Yes | - | - | - |
| MMS | Yes | Yes | - | - |
| Text Messaging Templates | Yes | Yes | - | Yes |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | - | - | - |
| Music Player | Yes | Yes | - | - |
| Photo & Video | ||||
| Video Calling | - | Yes * | - | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | - | - |
| Calendar | Yes | Yes | - | - |
| To-Do List | - | Yes | - | - |
| Voice Memo | Yes | Yes | - | - |
| Software | ||||
| BREW | Yes | - | - | Yes |
| Games | Yes | Yes | - | Yes |
| Java (J2ME) | - | Yes | - | - |
| Voice | ||||
| Headset Jack (2.5 mm) | - | - | - | Yes |
| Speaker Phone | Yes | Yes | - | - |
| * Some versions only | ||||
| LG Tritan AX-840 / UX-840 | Sony Ericsson K850 | Ericsson R278d | Sharp Z-800 (Audiovox 7900) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG Tritan AX-840 / UX-840 | Sony Ericsson K850 | Ericsson R278d | Sharp Z-800 (Audiovox 7900) |
