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| Phone | Ericsson R278d | Nokia N97 mini | Siemens M55 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
3.2" diag. 16 : 9 |
? |
| Display Resolution & Type | 101 x 40 pixels |
360 x 640 pixels (~229 ppi) LCD (TFT/TFD) |
101 x 80 pixels LCD (Color) |
| Display Refresh | ? | ? | ? |
| Battery | ? | 1,200 mAh | 700 mAh |
| Processor | ? | 434 MHz ARM 11 | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | 8 GB | ? raw hardware |
| Main Camera | - | 5 megapixel | - |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | VGA (640 x 480) | - |
| Front Camera | - | - | - |
| Weight |
9.28 oz (263g) |
4.87 oz (138g) |
2.93 oz (83g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
4.45" x 2.07" x 0.56" (113 x 52 x 14.2 mm) |
3.98" x 1.81" x 0.83" (101 x 46 x 21.1 mm) |
| Form Factor | Slab | Slide | Slab |
| Platform / OS | (proprietary) | S60 (Symbian) | (proprietary) |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
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| Data Technology | - | HSDPA 3.6 | GPRS |
| Features | |||
| GPS / Location | - | n/a | Yes |
| Accessibility | |||
| Multiple Languages | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | - | Yes |
| Alerts | |||
| Ringer Profiles | Yes | Yes | - |
| Connectivity | |||
| Bluetooth | - | Yes | - |
| USB | - |
Yes Micro-USB |
- |
| Wi-Fi | - |
Yes 802.11 b,g |
- |
| Contacts | |||
| Picture ID | - | n/a | - |
| Ringer ID | - | n/a | - |
| Voice Dialing | - | n/a | Yes |
| Customization | |||
| Custom Graphics | - | n/a | Yes |
| Custom Ringtones | Yes | n/a | Yes |
| Real-Music Ringers | - | n/a | - |
| Data & Network | |||
| Data Tethering | Yes | n/a | Yes |
| WAP / Web Browser | Yes | n/a | Yes |
| Input | |||
| Predictive Text Entry | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - |
| Touch Screen | - |
Yes Resistive |
- |
| Memory | |||
| Memory Card Slot | - | Yes | - |
| Messaging | |||
| Email Client | - | n/a | Yes |
| EMS / Picture Messaging | - | n/a | Yes |
| MMS | - | n/a | Yes |
| Text Messaging Templates | - | n/a | - |
| Music | |||
| FM Radio | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | - |
| Music Player | - | n/a | - |
| Stereo Speakers | - | Yes | - |
| Photo & Video | |||
| TV Output | - | Yes | - |
| Video Calling | - | n/a | - |
| Productivity | |||
| Alarm | Yes | n/a | - |
| Calculator | - | n/a | - |
| Calendar | - | n/a | Yes |
| To-Do List | - | n/a | - |
| Voice Memo | - | n/a | - |
| Software | |||
| Games | - | n/a | Yes |
| Java (J2ME) | - | n/a | Yes |
| Voice | |||
| Speaker Phone | - | Yes | Yes |
| Ericsson R278d | Nokia N97 mini | Siemens M55 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | Nokia N97 mini | Siemens M55 |
