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| Phone | BlackBerry 7750 | LG VX-8550 Chocolate | Samsung SGH-A657 | BlackBerry 7280 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? | ? |
| Display Resolution & Type |
240 x 240 pixels LCD (Color) |
240 x 320 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
240 x 160 pixels LCD (Color) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 800 mAh | 1,420 mAh | ? |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 1 megapixel | - | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | - | - |
| Front Camera | - | - | - | - |
| Weight |
5.01 oz (142g) |
3.24 oz (92g) |
4.34 oz (123g) |
4.9 oz (139g) |
| Dimensions |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
3.85" x 1.87" x 0.67" (98 x 47 x 17 mm) |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
4.4" x 2.9" x 0.94" (112 x 74 x 23.9 mm) |
| Form Factor | Slab | Slide | Slab | Slab |
| Platform / OS | BlackBerry OS | (proprietary) | (proprietary) | BlackBerry OS |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1800, 1900 |
| Data Technology | 1xRTT | EVDO r0 | HSDPA 3.6 | GPRS |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | n/a | Yes | Yes | n/a |
| Ruggedized | - | - | Yes | - |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M4 (very compatible) |
- | - |
| Multiple Languages | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| USB | Yes | Yes | Yes | Yes |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | n/a |
| Ringer ID | n/a | Yes | Yes | n/a |
| Voice Dialing | n/a | Yes | - | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | Yes | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a |
| Real-Music Ringers | n/a | Yes | Yes | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | Yes | n/a |
| WAP / Web Browser | n/a | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | Yes |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | n/a | - | Yes | n/a |
| Instant Messaging | n/a | - | Yes | n/a |
| MMS | n/a | Yes | Yes | n/a |
| Text Messaging Templates | n/a | Yes | Yes | n/a |
| Music | ||||
| Music Player | n/a | Yes | Yes | n/a |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | n/a |
| Calendar | n/a | Yes | Yes | n/a |
| To-Do List | n/a | - | Yes | n/a |
| Voice Memo | n/a | Yes | Yes | n/a |
| Software | ||||
| BREW | n/a | Yes | - | n/a |
| Games | n/a | Yes | Yes | n/a |
| Java (J2ME) | n/a | - | Yes | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | Yes | - | n/a |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | - | Yes | Yes | - |
| BlackBerry 7750 | LG VX-8550 Chocolate | Samsung SGH-A657 | BlackBerry 7280 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 7750 | LG VX-8550 Chocolate | Samsung SGH-A657 | BlackBerry 7280 |
