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| Phone | LG VX-4700 / VX-4650 / AX-4750 / UX-4750 | Sony Ericsson K850 | Motorola Sidekick Slide | Samsung SCH-A220 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.2" diag. 4 : 3 |
? | ? |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,000 mAh | ? | ? | ? |
| Processor | ? | ? | 225 MHz TI OMAP 850 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 5 megapixel | 1 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | - | - |
| Front Camera | - | - | - | - |
| Weight |
3.7 oz (105g) |
4.2 oz (119g) |
5.3 oz (150g) |
3.25 oz (92g) |
| Dimensions |
3.8" x 1.93" x 0.89" (97 x 49 x 22.6 mm) |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
4.65" x 2.44" x 0.69" (118 x 62 x 17.5 mm) |
2.87" x 2.09" x 0.94" (73 x 53 x 23.9 mm) |
| Form Factor | Clamshell | Slab | Slide | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | 1xRTT | HSDPA 3.6 | EDGE | 1xRTT |
| Features | ||||
| GPS / Location | Yes | - | - | Yes |
| Accessibility | ||||
| Adjustable Text Size | - | - | Yes | - |
| Hearing Aid Compatible | Yes | - | - | - |
| Multiple Languages | Yes | Yes | - | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | - |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| USB | Yes | Yes | Yes | - |
| Contacts | ||||
| Picture ID | - | Yes | Yes | - |
| Ringer ID | Yes | Yes | Yes | Yes |
| Voice Dialing | Yes | Yes | - | Yes |
| Customization | ||||
| Custom Graphics | Yes | 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 | - |
| 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 | - | - |
| Music Player | - | Yes | Yes | - |
| Photo & Video | ||||
| Video Calling | - | Yes * | - | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | - | Yes |
| Calendar | Yes | Yes | Yes | Yes |
| To-Do List | - | Yes | Yes | Yes |
| Voice Memo | - | Yes | - | Yes |
| Software | ||||
| BREW | Yes | - | - | - |
| Games | Yes | Yes | Yes | - |
| Java (J2ME) | - | Yes | Yes | - |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | Yes | Yes |
| Push-To-Talk | Yes * | - | - | - |
| Speaker Phone | Yes | Yes | Yes | - |
| * Some versions only | ||||
| LG VX-4700 / VX-4650 / AX-4750 / UX-4750 | Sony Ericsson K850 | Motorola Sidekick Slide | Samsung SCH-A220 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG VX-4700 / VX-4650 / AX-4750 / UX-4750 | Sony Ericsson K850 | Motorola Sidekick Slide | Samsung SCH-A220 |
