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| Phone | Ericsson R278d | Samsung MM-A940 | Samsung SCH-U410 | Sony Ericsson K850 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
2.2" diag. 4 : 3 |
| Display Resolution & Type | 101 x 40 pixels |
176 x 220 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | ? | 1,000 mAh | ? |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 2 megapixel | Yes | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | - | ? |
| Front Camera | - | - | - | - |
| Weight |
9.28 oz (263g) |
4.9 oz (139g) |
3.17 oz (90g) |
4.2 oz (119g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
3.68" x 1.83" x 1.01" (93 x 46 x 25.7 mm) |
3.48" x 1.81" x 0.77" (88 x 46 x 19.6 mm) |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | EVDO r0 | 1xRTT | HSDPA 3.6 |
| Features | ||||
| GPS / Location | - | Yes | Yes | - |
| Accessibility | ||||
| Adjustable Text Size | - | - | Yes | - |
| Hearing Aid Compatible | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | Yes | - |
| Ringer Profiles | Yes | - | - | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| USB | - | - | - | Yes |
| Contacts | ||||
| Picture ID | - | Yes | Yes | Yes |
| Ringer ID | - | Yes | Yes | Yes |
| Voice Dialing | - | Yes | Yes | Yes |
| Customization | ||||
| Custom Graphics | - | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes |
| Real-Music Ringers | - | - | - | Yes |
| Data & Network | ||||
| Data Tethering | Yes | Yes | Yes | Yes |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | - | - | Yes |
| EMS / Picture Messaging | - | - | Yes | - |
| MMS | - | - | Yes | Yes |
| Text Messaging Templates | - | Yes | Yes | Yes |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Music Player | - | Yes | - | Yes |
| Photo & Video | ||||
| Video Calling | - | - | - | Yes * |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | - | Yes | Yes | Yes |
| Calendar | - | Yes | Yes | Yes |
| To-Do List | - | Yes | - | Yes |
| Voice Memo | - | Yes | - | Yes |
| Software | ||||
| BREW | - | - | Yes | - |
| Games | - | Yes | Yes | Yes |
| Java (J2ME) | - | Yes | - | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | - | Yes | Yes | - |
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| Ericsson R278d | Samsung MM-A940 | Samsung SCH-U410 | Sony Ericsson K850 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | Samsung MM-A940 | Samsung SCH-U410 | Sony Ericsson K850 |
