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| Phone | Ericsson R278d | Motorola i275 | LG Tritan AX-840 / UX-840 | Samsung MM-A900 / SPH-A900 / Ace |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
3" diag. 5 : 3 |
? |
| Display Resolution & Type | 101 x 40 pixels |
128 x 128 pixels LCD (Color) |
240 x 400 pixels (~155 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 750 mAh | 950 mAh | ? |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | Yes | 3 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | QVGA (320 x 240) | ? |
| Front Camera | - | - | - | - |
| Weight |
9.28 oz (263g) |
4.6 oz (130g) |
5.03 oz (143g) |
3.9 oz (111g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
4.8" x 1.93" x 0.98" (122 x 49 x 24.9 mm) |
4.45" x 2.24" x 0.65" (113 x 57 x 16.5 mm) |
3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm) |
| Form Factor | Slab | Slab | Slide | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
iDEN: 800 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | - | - | EVDO r0 | EVDO r0 |
| Features | ||||
| GPS / Location | - | Yes | Yes | Yes |
| Accessibility | ||||
| Adjustable Text Size | - | - | Yes | - |
| Hearing Aid Compatible | - | - |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| USB | - | - |
Yes Micro-USB |
Yes |
| Contacts | ||||
| Picture ID | - | - | 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 |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | - | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| Email Client | - | - | Yes | - |
| Instant Messaging | - | - | Yes | - |
| MMS | - | Yes | Yes | - |
| Text Messaging Templates | - | Yes | Yes | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | - | - | Yes | Yes |
| Productivity | ||||
| Alarm | Yes | - | Yes | Yes |
| Calculator | - | - | Yes | Yes |
| Calendar | - | Yes | Yes | Yes |
| To-Do List | - | - | - | Yes |
| Voice Memo | - | Yes | Yes | Yes |
| Software | ||||
| BREW | - | - | Yes | - |
| Games | - | Yes | Yes | Yes |
| Java (J2ME) | - | Yes | - | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | - | Yes | - | Yes |
| Push-To-Talk | - | Yes | - | - |
| Speaker Phone | - | Yes | Yes | Yes |
| Ericsson R278d | Motorola i275 | LG Tritan AX-840 / UX-840 | Samsung MM-A900 / SPH-A900 / Ace | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | Motorola i275 | LG Tritan AX-840 / UX-840 | Samsung MM-A900 / SPH-A900 / Ace |
