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| Phone | Ericsson R278d | Samsung Trance SCH-U490 | BlackBerry Storm2 9550 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
2.1" diag. 4 : 3 |
3.3" diag. 4 : 3 |
| Display Resolution & Type | 101 x 40 pixels |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
360 x 480 pixels (~185 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? |
| Battery | ? | ? | 1,400 mAh |
| Processor | ? | ? | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 1 megapixel | 3 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | - | ? |
| Front Camera | - | - | - |
| Weight |
9.28 oz (263g) |
3.53 oz (100g) |
5.64 oz (160g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
4" x 1.97" x 0.55" (102 x 50 x 14 mm) |
4.43" x 2.45" x 0.55" (113 x 62 x 14 mm) |
| Form Factor | Slab | Slide | Slab |
| Platform / OS | (proprietary) | (proprietary) | BlackBerry OS |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | 1xRTT | EVDO rA |
| Features | |||
| GPS / Location | - | Yes | n/a |
| Accessibility | |||
| Adjustable Text Size | - | Yes | n/a |
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes |
| Alerts | |||
| Ringer Profiles | Yes | - | Yes |
| Connectivity | |||
| Bluetooth | - | Yes | Yes |
| USB | - | Yes | Yes |
| Wi-Fi | - | - |
Yes 802.11 b,g |
| Contacts | |||
| Picture ID | - | Yes | n/a |
| Ringer ID | - | Yes | n/a |
| Voice Dialing | - | Yes | n/a |
| Customization | |||
| Custom Graphics | - | Yes | n/a |
| Custom Ringtones | Yes | Yes | n/a |
| Real-Music Ringers | - | Yes | n/a |
| Data & Network | |||
| Data Tethering | Yes | Yes | n/a |
| WAP / Web Browser | Yes | Yes | n/a |
| Input | |||
| Predictive Text Entry | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| Email Client | - | - | n/a |
| Instant Messaging | - | - | n/a |
| MMS | - | Yes | n/a |
| Text Messaging Templates | - | Yes | n/a |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | Yes |
| Music Player | - | Yes | n/a |
| Productivity | |||
| Alarm | Yes | Yes | n/a |
| Calculator | - | Yes | n/a |
| Calendar | - | Yes | n/a |
| To-Do List | - | - | n/a |
| Voice Memo | - | Yes | n/a |
| Software | |||
| BREW | - | Yes | n/a |
| Games | - | Yes | n/a |
| Java (J2ME) | - | - | n/a |
| Voice | |||
| Speaker Phone | - | Yes | Yes |
| Ericsson R278d | Samsung Trance SCH-U490 | BlackBerry Storm2 9550 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | Samsung Trance SCH-U490 | BlackBerry Storm2 9550 |
