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| Phone | Samsung SGH-A157 | Casio Exilim C721 | Samsung Galaxy Light | Samsung Jitterbug J / SPH-A310 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.8" diag. 4 : 3 |
2.3" diag. 4 : 3 |
4" diag. 5 : 3 |
2.1" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~174 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (Color) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 800 mAh | 920 mAh | 1,800 mAh | ? |
| Processor | ? | ? | 1.4 GHz Samsung SHANNON22 | ? |
| RAM | ? | ? | 1 GB | ? |
| Storage | 256 MB | ? raw hardware | 8 GB | ? raw hardware |
| Main Camera | - | 5 megapixel | 5 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QVGA (320 x 240) | 720p HD | - |
| Front Camera | - | - | Yes | - |
| Weight |
2.99 oz (85g) |
4.48 oz (127g) |
4.33 oz (123g) |
3.99 oz (113g) |
| Dimensions |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
4.06" x 1.97" x 0.78" (103 x 50 x 19.9 mm) |
4.78" x 2.48" x 0.41" (122 x 63 x 10.3 mm) |
3.87" x 2.16" x 0.97" (98 x 55 x 24.6 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 4, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | ? | EVDO rA | LTE (Cat 3) | - |
| Features | ||||
| Flashlight | - | Yes | Yes | - |
| GPS / Location | Yes | Yes | n/a | Yes |
| Ruggedized | - | Yes | - | - |
| Water-Resistant | - | Yes | - | - |
| Accessibility | ||||
| Adjustable Text Size | Yes | Yes | n/a | - |
| Hearing Aid Compatible | Yes | Yes | Yes | Yes |
| Multiple Languages | Yes | Yes | n/a | - |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | Yes | - | Yes |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth |
- |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Mobile Hotspot | - | - | n/a | - |
| NFC | - | - | Yes | - |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
- |
| Wi-Fi | - | - |
Yes 4 (802.11 a,b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | - |
| Ringer ID | Yes | Yes | n/a | - |
| Voice Dialing | - | Yes | n/a | Yes |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | - |
| Custom Ringtones | Yes | Yes | n/a | - |
| Real-Music Ringers | Yes | Yes | n/a | - |
| Data & Network | ||||
| Data Tethering | - | Yes | n/a | - |
| WAP / Web Browser | Yes | Yes | n/a | - |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | - |
| Side Keys | - | Yes | Yes | Yes |
| Touch Screen | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | - | - | n/a | - |
| EMS / Picture Messaging | - | Yes | n/a | - |
| Instant Messaging | - | Yes | n/a | - |
| MMS | Yes | Yes | n/a | - |
| Text Messaging Templates | Yes | Yes | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | - | Yes | n/a | - |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| 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 | ||||
| BREW | - | Yes | n/a | - |
| Games | - | Yes | n/a | - |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SGH-A157 | Casio Exilim C721 | Samsung Galaxy Light | Samsung Jitterbug J / SPH-A310 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A157 | Casio Exilim C721 | Samsung Galaxy Light | Samsung Jitterbug J / SPH-A310 |
