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| Phone | Ericsson R520 | LG VX-4700 / VX-4650 / AX-4750 / UX-4750 | LG VX-1 / TM-520 | Sharp Z-800 (Audiovox 7900) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? | ? |
| Display Resolution & Type | ? |
128 x 128 pixels LCD (STN) |
128 x 104 pixels |
? LCD (Color) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 1,000 mAh | 900 mAh | ? |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | - | - | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | - | - |
| Front Camera | - | - | - | - |
| Weight |
4.23 oz (120g) |
3.7 oz (105g) |
3.8 oz (108g) |
4.25 oz (120g) |
| Dimensions |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
3.8" x 1.93" x 0.89" (97 x 49 x 22.6 mm) |
3.3" x 1.8" x 0.97" (84 x 46 x 24.6 mm) |
3.6" x 2" x 1.1" (91 x 51 x 27.9 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | GPRS | 1xRTT | 1xRTT | - |
| Features | ||||
| GPS / Location | - | Yes | - | - |
| Accessibility | ||||
| Hearing Aid Compatible | - | Yes | - | - |
| Multiple Languages | Yes | Yes | Yes | - |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | Yes | Yes | - |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth |
Yes HSP, Sync, OPP, DUN |
- | - | - |
| Infrared (IR) | Yes | - | - | - |
| USB | - | Yes | - | - |
| Contacts | ||||
| Picture ID | - | - | - | Yes |
| Ringer ID | - | Yes | - | Yes |
| Voice Dialing | Yes | Yes | Yes * | - |
| Customization | ||||
| Custom Graphics | - | Yes | - | Yes |
| Custom Ringtones | Yes | Yes | - | Yes |
| Data & Network | ||||
| Data Tethering | Yes | Yes | Yes | Yes |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Text Messaging Templates | Yes | Yes | Yes | Yes |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | - |
| Calendar | Yes | Yes | Yes | - |
| Voice Memo | Yes | - | Yes * | - |
| Software | ||||
| BREW | - | Yes | - | Yes |
| Games | Yes | Yes | Yes | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | - | Yes | Yes | Yes |
| Push-To-Talk | - | Yes * | - | - |
| Speaker Phone | Yes | Yes | - | - |
| * Some versions only | ||||
| Ericsson R520 | LG VX-4700 / VX-4650 / AX-4750 / UX-4750 | LG VX-1 / TM-520 | Sharp Z-800 (Audiovox 7900) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R520 | LG VX-4700 / VX-4650 / AX-4750 / UX-4750 | LG VX-1 / TM-520 | Sharp Z-800 (Audiovox 7900) |
