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| Phone | Samsung SGH-A657 | Samsung SCH-A220 | BlackBerry 7750 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? | ? | ? |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
240 x 240 pixels LCD (Color) |
| Display Refresh | ? | ? | ? |
| Battery | 1,420 mAh | ? | ? |
| Processor | ? | ? | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | - | - |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | - | - |
| Front Camera | - | - | - |
| Weight |
4.34 oz (123g) |
3.25 oz (92g) |
5.01 oz (142g) |
| Dimensions |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
2.87" x 2.09" x 0.94" (73 x 53 x 23.9 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
| Form Factor | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | BlackBerry OS |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | HSDPA 3.6 | 1xRTT | 1xRTT |
| Features | |||
| Flashlight | Yes | - | - |
| GPS / Location | Yes | Yes | n/a |
| Ruggedized | Yes | - | - |
| Accessibility | |||
| Multiple Languages | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | - | - |
| USB | Yes | - | Yes |
| Contacts | |||
| Picture ID | Yes | - | n/a |
| Ringer ID | Yes | Yes | n/a |
| Voice Dialing | - | Yes | n/a |
| Customization | |||
| Custom Graphics | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | n/a |
| Real-Music Ringers | Yes | - | n/a |
| Data & Network | |||
| Data Tethering | Yes | Yes | n/a |
| WAP / Web Browser | Yes | Yes | n/a |
| Input | |||
| Predictive Text Entry | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes |
| Memory | |||
| Memory Card Slot | Yes | - | - |
| Messaging | |||
| Email Client | Yes | - | n/a |
| Instant Messaging | Yes | - | n/a |
| MMS | Yes | - | n/a |
| Text Messaging Templates | Yes | Yes | n/a |
| Music | |||
| Music Player | Yes | - | n/a |
| Productivity | |||
| Alarm | Yes | Yes | n/a |
| Calculator | Yes | Yes | n/a |
| Calendar | Yes | Yes | n/a |
| To-Do List | Yes | Yes | n/a |
| Voice Memo | Yes | Yes | n/a |
| Software | |||
| Games | Yes | - | n/a |
| Java (J2ME) | Yes | - | n/a |
| Voice | |||
| Headset Jack (2.5 mm) | - | Yes | n/a |
| Push-To-Talk | Yes | - | - |
| Speaker Phone | Yes | - | - |
| Samsung SGH-A657 | Samsung SCH-A220 | BlackBerry 7750 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A657 | Samsung SCH-A220 | BlackBerry 7750 |
