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| Phone | Samsung SCH-A310 | BlackBerry 7750 | Sanyo RL-4920 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? | ? | ? |
| Display Resolution & Type |
128 x 128 pixels LCD (Grayscale) |
240 x 240 pixels LCD (Color) |
128 x 112 pixels LCD (Color) |
| Display Refresh | ? | ? | ? |
| Battery | ? | ? | 1,700 mAh |
| Processor | ? | ? | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | - | - |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | - | - |
| Front Camera | - | - | - |
| Weight |
3.2 oz (91g) |
5.01 oz (142g) |
4.03 oz (114g) |
| Dimensions |
3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
4.22" x 1.85" x 0.85" (107 x 47 x 21.6 mm) |
| Form Factor | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | BlackBerry OS | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | 1xRTT | 1xRTT | 1xRTT |
| Features | |||
| GPS / Location | Yes | n/a | Yes |
| Accessibility | |||
| Multiple Languages | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes |
| Alerts | |||
| Extra Display | Yes | - | - |
| Ringer Profiles | - | Yes | - |
| Connectivity | |||
| USB | Yes | Yes | Yes |
| Contacts | |||
| Picture ID | - | n/a | Yes |
| Ringer ID | - | n/a | Yes |
| Voice Dialing | Yes | n/a | Yes |
| Customization | |||
| Changeable Body Plates | Yes | - | - |
| Custom Graphics | - | n/a | Yes |
| Custom Ringtones | - | n/a | Yes |
| Data & Network | |||
| Data Tethering | Yes | n/a | - |
| WAP / Web Browser | Yes | n/a | Yes |
| Input | |||
| Predictive Text Entry | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - |
| Messaging | |||
| Email Client | - | n/a | - |
| Productivity | |||
| Alarm | - | n/a | Yes |
| Calculator | - | n/a | Yes |
| Calendar | Yes | n/a | Yes |
| To-Do List | - | n/a | Yes |
| Voice Memo | Yes | n/a | Yes |
| Software | |||
| Games | Yes | n/a | Yes |
| Java (J2ME) | - | n/a | Yes |
| Voice | |||
| Call Screening | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | Yes |
| Push-To-Talk | - | - | Yes |
| Speaker Phone | - | - | Yes |
| Samsung SCH-A310 | BlackBerry 7750 | Sanyo RL-4920 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A310 | BlackBerry 7750 | Sanyo RL-4920 |
