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| Phone | Samsung SGH-A157 | Motorola T720 / T721 (GSM) | Sonim XP Strike | Motorola i450 / i455 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.8" diag. 4 : 3 |
? |
2" diag. 4 : 3 |
? |
| Display Resolution & Type |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
120 x 160 pixels LCD (STN) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
130 x 130 pixels LCD (STN) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 800 mAh | ? | 1,950 mAh | ? |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | 256 MB | ? |
| Storage | 256 MB | ? raw hardware | 512 MB | ? raw hardware |
| Main Camera | - | - | 2 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | ? | - |
| Front Camera | - | - | - | - |
| Weight |
2.99 oz (85g) |
3.56 oz (101g) |
6.52 oz (185g) |
4.5 oz (128g) |
| Dimensions |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
3.5" x 1.87" x 0.83" (89 x 47 x 21.1 mm) |
4.95" x 2.3" x 0.98" (126 x 58 x 24.9 mm) |
3.5" x 2" x 1.1" (89 x 51 x 27.9 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
CDMA: 800, 850, 1900 |
iDEN: 800 |
| Data Technology | ? | GPRS | EVDO rA | - |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | Yes | - | Yes | Yes |
| Ruggedized | - | - | Yes | - |
| Water-Resistant | - | - | Yes | - |
| Accessibility | ||||
| Adjustable Text Size | Yes | - | - | - |
| Hearing Aid Compatible | Yes | - | Yes | Yes |
| Multiple Languages | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | - | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | Yes |
| Ringer Profiles | Yes | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth |
- |
- |
Yes Classic Audio |
- |
| USB |
Yes Micro-USB |
- | Yes | Yes |
| Contacts | ||||
| Picture ID | Yes | - | Yes | Yes |
| Ringer ID | Yes | Yes | Yes | Yes |
| Voice Dialing | - | Yes | - | Yes |
| Customization | ||||
| Changeable Body Plates | - | Yes | - | - |
| Custom Graphics | Yes | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes |
| Real-Music Ringers | Yes | - | Yes | Yes * |
| Data & Network | ||||
| Data Tethering | - | Yes | - | Yes |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | Yes |
| Side Keys | - | Yes | Yes | Yes |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| Email Client | - | Yes | - | - |
| EMS / Picture Messaging | - | Yes | - | - |
| MMS | Yes | - | Yes | Yes |
| Text Messaging Templates | Yes | Yes | - | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | - |
| Calculator | Yes | Yes | Yes | - |
| Calendar | Yes | Yes | Yes | Yes |
| To-Do List | Yes | - | Yes | - |
| Voice Memo | Yes | Yes | Yes | Yes |
| Software | ||||
| Games | - | Yes | Yes | Yes |
| Java (J2ME) | - | Yes | Yes | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | - | Yes | - | Yes |
| Push-To-Talk | - | - | Yes | Yes |
| Speaker Phone | Yes | - | Yes | Yes |
| * Some versions only | ||||
| Samsung SGH-A157 | Motorola T720 / T721 (GSM) | Sonim XP Strike | Motorola i450 / i455 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A157 | Motorola T720 / T721 (GSM) | Sonim XP Strike | Motorola i450 / i455 |
