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| Phone | Samsung Knack U310 | Samsung SCH-A990 | Sanyo RL-4930 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
? | ? |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
128 x 112 pixels LCD (STN) |
| Display Refresh | ? | ? | ? |
| Battery | 1,000 mAh | 1,000 mAh | 1,700 mAh |
| Processor | ? | ? | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 3 megapixel | - |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | ? | - |
| Front Camera | - | - | - |
| Weight |
3.63 oz (103g) |
4.4 oz (125g) |
4.4 oz (125g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.5" x 2" x 1" (114 x 51 x 25.4 mm) |
| Form Factor | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | - | EVDO r0 | 1xRTT |
| Features | |||
| Flashlight | - | Yes | - |
| GPS / Location | Yes | Yes | Yes |
| Ruggedized | - | - | Yes |
| Accessibility | |||
| Adjustable Text Size | Yes | - | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | Yes | Yes | - |
| Connectivity | |||
| Bluetooth | - | Yes | - |
| USB | - | Yes | Yes |
| Contacts | |||
| Picture ID | - | Yes | Yes |
| Ringer ID | - | Yes | Yes |
| Voice Dialing | Yes | Yes | Yes |
| Customization | |||
| Custom Graphics | - | Yes | Yes |
| Custom Ringtones | - | Yes | Yes |
| Real-Music Ringers | - | Yes | - |
| Data & Network | |||
| Data Tethering | - | Yes | - |
| WAP / Web Browser | - | Yes | Yes |
| Input | |||
| Predictive Text Entry | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes |
| Memory | |||
| Memory Card Slot | - | Yes | - |
| Messaging | |||
| EMS / Picture Messaging | Yes | Yes | - |
| MMS | - | Yes | - |
| Text Messaging Templates | - | Yes | - |
| Music | |||
| Music Player | - | Yes | - |
| Stereo Speakers | - | Yes | - |
| Photo & Video | |||
| TV Output | - | Yes | - |
| Productivity | |||
| Alarm | Yes | Yes | Yes |
| Calculator | Yes | Yes | - |
| Calendar | Yes | Yes | Yes |
| To-Do List | - | - | Yes |
| Voice Memo | - | Yes | Yes |
| Software | |||
| BREW | - | Yes | - |
| Games | - | Yes | Yes |
| Java (J2ME) | - | - | Yes |
| Voice | |||
| Call Screening | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | - | - |
| Push-To-Talk | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes |
| Samsung Knack U310 | Samsung SCH-A990 | Sanyo RL-4930 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | Samsung SCH-A990 | Sanyo RL-4930 |
