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| Phone | Samsung Rugby A837 | Samsung Transform Ultra | BlackBerry 7750 | Siemens A56 / A56i |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
3.5" diag. 5 : 3 |
? | ? |
| Display Resolution & Type |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
101 x 64 pixels |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 1,000 mAh | 1,500 mAh | ? | 700 mAh |
| Processor | ? | 1 GHz Qualcomm Snapdragon S2 MSM8655 | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 3 megapixel | - | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | VGA (640 x 480) | - | - |
| Front Camera | - | Yes | - | - |
| Weight |
4.66 oz (132g) |
4.9 oz (139g) |
5.01 oz (142g) |
3 oz (85g) |
| Dimensions |
3.95" x 2.05" x 0.9" (100 x 52 x 22.9 mm) |
4.5" x 2.4" x 0.55" (114 x 61 x 14 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
4" x 1.7" x 0.8" (102 x 43 x 20.3 mm) |
| Form Factor | Clamshell | Slide | Slab | Slab |
| Platform / OS | (proprietary) | Android | BlackBerry OS | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 800, 850, 1900 |
CDMA: 850, 1900 |
GSM: 850, 1900 |
| Data Technology | HSDPA 3.6 | EVDO rA | 1xRTT | - |
| Features | ||||
| GPS / Location | Yes | n/a | n/a | Yes |
| Ruggedized | Yes | - | - | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
- | - |
| Multiple Languages | Yes | n/a | n/a | - |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | - |
| Mobile Hotspot | - | n/a | n/a | - |
| USB | Yes | Yes | Yes | - |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | Yes |
| Ringer ID | Yes | n/a | n/a | Yes |
| Voice Dialing | - | n/a | n/a | - |
| Customization | ||||
| Changeable Body Plates | - | - | - | Yes |
| Custom Graphics | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | Yes | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | Yes | n/a | n/a | - |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | - |
| Text Keyboard, Hardware | - | Yes | Yes | - |
| Touch Screen | - |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | - |
| Messaging | ||||
| Email Client | Yes | n/a | n/a | - |
| EMS / Picture Messaging | - | n/a | n/a | Yes |
| Instant Messaging | Yes | n/a | n/a | - |
| MMS | Yes | n/a | n/a | - |
| Text Messaging Templates | Yes | n/a | n/a | - |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | Yes | n/a | n/a | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | - |
| To-Do List | - | n/a | n/a | - |
| Voice Memo | Yes | n/a | n/a | - |
| Software | ||||
| Games | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | n/a | n/a | - |
| Voice | ||||
| Headset Jack (2.5 mm) | - | n/a | n/a | - |
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | Yes | - | - |
| Samsung Rugby A837 | Samsung Transform Ultra | BlackBerry 7750 | Siemens A56 / A56i | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Rugby A837 | Samsung Transform Ultra | BlackBerry 7750 | Siemens A56 / A56i |
