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| Phone | Ericsson R278d | Sanyo MM-5600 | Samsung SPH-i550 | Samsung Trance SCH-U490 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Not yet released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
2.1" diag. 4 : 3 |
| Display Resolution & Type | 101 x 40 pixels |
240 x 320 pixels LCD (TFT/TFD) |
320 x 320 pixels LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 1,000 mAh | ? | ? |
| Processor | ? | ? | 200 MHz Motorola MX-1 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 1 megapixel | 1 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | ? | - |
| Front Camera | - | - | - | - |
| Weight |
9.28 oz (263g) |
4.52 oz (128g) |
? |
3.53 oz (100g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
3.66" x 1.91" x 1.04" (93 x 49 x 26.4 mm) |
3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm) |
4" x 1.97" x 0.55" (102 x 50 x 14 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Slide |
| Platform / OS | (proprietary) | (proprietary) | Palm OS | (proprietary) |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
| Data Technology | - | 1xRTT | 1xRTT | 1xRTT |
| Features | ||||
| Flashlight | - | Yes | - | - |
| GPS / Location | - | Yes | n/a | Yes |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | Yes |
| Hearing Aid Compatible | - |
Yes M4 (very compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | Yes | - |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | - | - | Yes |
| Infrared (IR) | - | - | Yes | - |
| USB | - | Yes | - | Yes |
| Contacts | ||||
| Picture ID | - | Yes | n/a | Yes |
| Ringer ID | - | Yes | n/a | Yes |
| Voice Dialing | - | Yes | n/a | Yes |
| Customization | ||||
| Custom Graphics | - | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | Yes | n/a | Yes |
| Data & Network | ||||
| Data Tethering | Yes | - | n/a | Yes |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | - | n/a | - |
| MMS | - | - | n/a | Yes |
| Text Messaging Templates | - | - | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | - | Yes | n/a | Yes |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | - | Yes | n/a | Yes |
| Calendar | - | Yes | n/a | Yes |
| To-Do List | - | Yes | n/a | - |
| Voice Memo | - | Yes | n/a | Yes |
| Software | ||||
| BREW | - | - | n/a | Yes |
| Games | - | Yes | n/a | Yes |
| Java (J2ME) | - | Yes | n/a | - |
| Voice | ||||
| Call Screening | - | Yes | - | - |
| Headset Jack (2.5 mm) | - | Yes | n/a | - |
| Push-To-Talk | - | Yes | - | - |
| Speaker Phone | - | Yes | - | Yes |
| Ericsson R278d | Sanyo MM-5600 | Samsung SPH-i550 | Samsung Trance SCH-U490 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | Sanyo MM-5600 | Samsung SPH-i550 | Samsung Trance SCH-U490 |
