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| Phone | Sony Ericsson J300a | Samsung SGH-A657 | Samsung SPH-N270 (Matrix Phone) |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? | ? | ? |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
176 x 220 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? |
| Battery | ? | 1,420 mAh | 1,000 mAh |
| Processor | ? | ? | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | - | - |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | - | - |
| Front Camera | - | - | - |
| Weight |
2.75 oz (78g) |
4.34 oz (123g) |
4.66 oz (132g) |
| Dimensions |
3.9" x 1.68" x 0.72" (99 x 43 x 18.3 mm) |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
4.53" x 2.28" x 0.79" (115 x 58 x 20.1 mm) |
| Form Factor | Slab | Slab | Slide |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
GSM: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | GPRS | HSDPA 3.6 | - |
| Features | |||
| Flashlight | - | Yes | - |
| GPS / Location | - | Yes | Yes |
| Ruggedized | - | Yes | - |
| Accessibility | |||
| Multiple Languages | - | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | - |
| Alerts | |||
| Ringer Profiles | Yes | - | - |
| Connectivity | |||
| Bluetooth | - | Yes | - |
| USB | Yes | Yes | - |
| Contacts | |||
| Picture ID | Yes | Yes | Yes |
| Ringer ID | - | Yes | Yes |
| Voice Dialing | 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 | - |
| WAP / Web Browser | Yes | Yes | - |
| Input | |||
| Predictive Text Entry | Yes | Yes | Yes |
| Side Keys | - | Yes | - |
| Memory | |||
| Memory Card Slot | - | Yes | - |
| Messaging | |||
| Email Client | Yes | Yes | - |
| EMS / Picture Messaging | Yes | - | - |
| Instant Messaging | - | Yes | - |
| MMS | Yes | Yes | - |
| Text Messaging Templates | - | Yes | - |
| Music | |||
| Music Player | - | Yes | - |
| Productivity | |||
| Alarm | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes |
| To-Do List | Yes | Yes | Yes |
| Voice Memo | Yes | Yes | Yes |
| Software | |||
| Games | Yes | Yes | - |
| Java (J2ME) | Yes | Yes | - |
| Voice | |||
| Headset Jack (2.5 mm) | - | - | Yes |
| Push-To-Talk | - | Yes | - |
| Speaker Phone | Yes | Yes | - |
| Sony Ericsson J300a | Samsung SGH-A657 | Samsung SPH-N270 (Matrix Phone) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sony Ericsson J300a | Samsung SGH-A657 | Samsung SPH-N270 (Matrix Phone) |
