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| Phone | Samsung Rugby A837 | Samsung Transform Ultra | Casio G'zOne Rock | BlackBerry 7750 | Motorola i580 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
3.5" diag. 5 : 3 |
2.1" diag. 4 : 3 |
? | ? |
| Display Resolution & Type |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~190 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? | ? |
| Battery | 1,000 mAh | 1,500 mAh | 1,150 mAh | ? | ? |
| Processor | ? | 1 GHz Qualcomm Snapdragon S2 MSM8655 | ? | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 3 megapixel | 2 megapixel | - | 1 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) |
4.4 oz (125g) |
5.01 oz (142g) |
4.9 oz (139g) |
| 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) |
4.1" x 2" x 0.9" (104 x 51 x 22.9 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
3.68" x 2.2" x 1.2" (93 x 56 x 30.5 mm) |
| Form Factor | Clamshell | Slide | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) | BlackBerry OS | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 800, 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
iDEN: 800 |
| Data Technology | HSDPA 3.6 | EVDO rA | EVDO rA | 1xRTT | WiDEN |
| Features | |||||
| Flashlight | - | - | Yes | - | - |
| GPS / Location | Yes | n/a | Yes | n/a | Yes |
| Ruggedized | Yes | - | Yes | - | Yes |
| Water-Resistant | - | - | Yes | - | - |
| Accessibility | |||||
| Hearing Aid Compatible | Yes | Yes | Yes | - | Yes |
| Multiple Languages | Yes | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | Yes | - | Yes |
| Ringer Profiles | - | - | - | Yes | Yes |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
- |
Yes Classic Audio |
| Mobile Hotspot | - | n/a | - | n/a | - |
| USB | Yes | Yes | Yes | Yes | - |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
- | - | - |
| Contacts | |||||
| Picture ID | Yes | n/a | Yes | n/a | Yes |
| Ringer ID | Yes | n/a | Yes | n/a | Yes |
| Voice Dialing | - | n/a | Yes | n/a | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | Yes | n/a | Yes |
| Custom Ringtones | Yes | n/a | Yes | n/a | Yes |
| Real-Music Ringers | Yes | n/a | Yes | n/a | - |
| Data & Network | |||||
| Data Tethering | Yes | n/a | Yes | n/a | Yes |
| WAP / Web Browser | Yes | n/a | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | Yes | - |
| Touch Screen | - | Yes | - | - | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | Yes | n/a | Yes | n/a | - |
| Instant Messaging | Yes | n/a | Yes | n/a | - |
| MMS | Yes | n/a | Yes | n/a | Yes |
| Text Messaging Templates | Yes | n/a | Yes | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | - | - |
| Music Player | Yes | n/a | Yes | n/a | Yes * |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | - |
| Calculator | Yes | n/a | Yes | n/a | Yes * |
| Calendar | Yes | n/a | Yes | n/a | Yes |
| To-Do List | - | n/a | - | n/a | - |
| Voice Memo | Yes | n/a | Yes | n/a | Yes |
| Software | |||||
| BREW | - | n/a | Yes | n/a | - |
| Games | Yes | n/a | Yes | n/a | Yes |
| Java (J2ME) | Yes | n/a | - | n/a | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | - | n/a | Yes | n/a | Yes |
| Push-To-Talk | Yes | - | Yes | - | Yes |
| Speaker Phone | Yes | Yes | Yes | - | Yes |
| * Some versions only | |||||
| Samsung Rugby A837 | Samsung Transform Ultra | Casio G'zOne Rock | BlackBerry 7750 | Motorola i580 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Rugby A837 | Samsung Transform Ultra | Casio G'zOne Rock | BlackBerry 7750 | Motorola i580 |
