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| Phone | Samsung Messager R450 | Siemens C56 | Nokia 6155i | Samsung SPH-A250 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
? | ? | ? |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
101 x 64 pixels |
128 x 160 pixels LCD (TFT/TFD) |
? |
| Display Refresh | ? | ? | ? | ? |
| Battery | 960 mAh | 700 mAh | 1,070 mAh | ? |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | - | 1 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | sub-QCIF (128 x 96) | - |
| Front Camera | - | - | - | - |
| Weight |
4.58 oz (130g) |
3 oz (85g) |
4.44 oz (126g) |
2.82 oz (80g) |
| Dimensions |
4.4" x 2" x 0.7" (112 x 51 x 17.8 mm) |
3.98" x 1.73" x 0.83" (101 x 44 x 21.1 mm) |
3.41" x 1.79" x 1.02" (87 x 45 x 25.9 mm) |
2.76" x 1.91" x 0.83" (70 x 49 x 21.1 mm) |
| Form Factor | Slab | Slab | Clamshell | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1700, 1900 |
GSM: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 1900 |
| Data Technology | 1xRTT | GPRS | 1xRTT | - |
| Features | ||||
| GPS / Location | Yes | Yes | Yes | - |
| Accessibility | ||||
| Hearing Aid Compatible | Yes | - | - | - |
| Multiple Languages | Yes | Yes | Yes | - |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
- | - | - |
| Infrared (IR) | - | - | Yes | - |
| USB | Yes | Yes | Yes | - |
| Contacts | ||||
| Picture ID | Yes | - | Yes | - |
| Ringer ID | Yes | Yes | Yes | - |
| Voice Dialing | Yes | Yes | Yes | Yes |
| Customization | ||||
| Changeable Body Plates | - | Yes | - | - |
| Custom Graphics | Yes | Yes | Yes | - |
| Custom Ringtones | 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 | Yes |
| Side Keys | Yes | - | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Memory | ||||
| Memory Card Slot | Yes | - | - | - |
| Messaging | ||||
| EMS / Picture Messaging | - | Yes | - | - |
| MMS | Yes | - | Yes | - |
| Text Messaging Templates | Yes | Yes | Yes | - |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Music Player | Yes | - | - | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes | Yes |
| To-Do List | - | - | Yes | Yes |
| Voice Memo | Yes | - | Yes | - |
| Software | ||||
| BREW | Yes | - | 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 | - |
| * Some versions only | ||||
| Samsung Messager R450 | Siemens C56 | Nokia 6155i | Samsung SPH-A250 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Messager R450 | Siemens C56 | Nokia 6155i | Samsung SPH-A250 |
