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| Phone | Samsung Trance SCH-U490 | Samsung SPH-N400 | Samsung SCH-A310 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
? | ? |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
128 x 128 pixels LCD (Grayscale) |
| Display Refresh | ? | ? | ? |
| Battery | ? | ? | ? |
| Processor | ? | ? | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | - | - |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | - | - |
| Front Camera | - | - | - |
| Weight |
3.53 oz (100g) |
4 oz (113g) |
3.2 oz (91g) |
| Dimensions |
4" x 1.97" x 0.55" (102 x 50 x 14 mm) |
4.25" x 2.04" x 0.82" (108 x 52 x 20.8 mm) |
3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm) |
| Form Factor | Slide | Flip | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | 1xRTT | 1xRTT | 1xRTT |
| Features | |||
| GPS / Location | Yes | Yes | Yes |
| Accessibility | |||
| Adjustable Text Size | Yes | - | - |
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
- | - |
| Multiple Languages | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | - |
| Alerts | |||
| Extra Display | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | - | - |
| USB | Yes | Yes | Yes |
| Contacts | |||
| Picture ID | Yes | Yes | - |
| Ringer ID | Yes | Yes | - |
| Voice Dialing | Yes | Yes | Yes |
| Customization | |||
| Changeable Body Plates | - | - | Yes |
| Custom Graphics | Yes | Yes | - |
| Custom Ringtones | Yes | Yes | - |
| Real-Music Ringers | Yes | - | - |
| Data & Network | |||
| Data Tethering | Yes | Yes | Yes |
| WAP / Web Browser | Yes | Yes | Yes |
| Input | |||
| Predictive Text Entry | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes |
| Memory | |||
| Memory Card Slot | Yes | - | - |
| Messaging | |||
| MMS | Yes | - | - |
| Text Messaging Templates | Yes | - | - |
| Music | |||
| Headphone Jack (3.5mm) | Yes | - | - |
| Music Player | Yes | - | - |
| Productivity | |||
| Alarm | Yes | Yes | - |
| Calculator | Yes | Yes | - |
| Calendar | Yes | Yes | Yes |
| To-Do List | - | Yes | - |
| Voice Memo | Yes | - | Yes |
| Software | |||
| BREW | Yes | - | - |
| Games | Yes | Yes | Yes |
| Java (J2ME) | - | Yes | - |
| Voice | |||
| Headset Jack (2.5 mm) | - | Yes | Yes |
| Speaker Phone | Yes | Yes | - |
| Samsung Trance SCH-U490 | Samsung SPH-N400 | Samsung SCH-A310 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Trance SCH-U490 | Samsung SPH-N400 | Samsung SCH-A310 |
