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| Phone | Samsung SGH-A157 | BlackBerry 7750 | ZTE Prelude / Avail 2 | Samsung SCH-A930 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.8" diag. 4 : 3 |
? |
3.5" diag. 5 : 3 |
? |
| Display Resolution & Type |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 800 mAh | ? | 1,500 mAh | 1,000 mAh |
| Processor | ? | ? | 1 GHz Qualcomm Snapdragon MSM7225A | ? |
| RAM | ? | ? | 512 MB | ? |
| Storage | 256 MB | ? raw hardware | 4 GB | ? raw hardware |
| Main Camera | - | - | 2 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | VGA (640 x 480) | ? |
| Front Camera | - | - | - | - |
| Weight |
2.99 oz (85g) |
5.01 oz (142g) |
4.4 oz (125g) |
3.98 oz (113g) |
| Dimensions |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
3.59" x 1.89" x 0.98" (91 x 48 x 24.9 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | BlackBerry OS | Android | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | ? | 1xRTT | HSPA 7.2 | EVDO r0 |
| Features | ||||
| GPS / Location | Yes | n/a | n/a | Yes |
| Accessibility | ||||
| Adjustable Text Size | Yes | n/a | n/a | - |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| USB |
Yes Micro-USB |
Yes | Yes | Yes |
| Wi-Fi | - | - |
Yes 4 (802.11 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 | Yes |
| Customization | ||||
| 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 | ||||
| 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 | - | - |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | - | n/a | n/a | - |
| EMS / Picture Messaging | - | n/a | n/a | Yes |
| Instant Messaging | - | n/a | n/a | Yes |
| MMS | Yes | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | - |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | - | n/a | n/a | Yes |
| Stereo Speakers | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | Yes |
| To-Do List | Yes | n/a | n/a | - |
| Voice Memo | Yes | n/a | n/a | Yes |
| Software | ||||
| BREW | - | n/a | n/a | Yes |
| Games | - | n/a | n/a | Yes |
| Java (J2ME) | - | n/a | n/a | - |
| Voice | ||||
| Headset Jack (2.5 mm) | - | n/a | n/a | Yes |
| Speaker Phone | Yes | - | Yes | Yes |
| Samsung SGH-A157 | BlackBerry 7750 | ZTE Prelude / Avail 2 | Samsung SCH-A930 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A157 | BlackBerry 7750 | ZTE Prelude / Avail 2 | Samsung SCH-A930 |
