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| Phone | Sony Ericsson Z550a | Kyocera KX12 | Motorola KRZR K1m | BlackBerry 7100 / 7105 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.9" diag. 4 : 3 |
? | ? | ? |
| Display Resolution & Type |
176 x 220 pixels (~148 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
176 x 220 pixels LCD (TFT/TFD) |
240 x 260 pixels LCD (Color) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 1,800 mAh | 880 mAh | ? |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | - | 1 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | ? | - |
| Front Camera | - | - | - | - |
| Weight |
3.26 oz (92g) |
4.62 oz (131g) |
3.63 oz (103g) |
4.3 oz (122g) |
| Dimensions |
3.43" x 1.77" x 0.79" (87 x 45 x 20.1 mm) |
4.33" x 1.97" x 1.02" (110 x 50 x 25.9 mm) |
4.06" x 1.73" x 0.67" (103 x 44 x 17 mm) |
4.7" x 2.3" x 0.7" (119 x 58 x 17.8 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | BlackBerry OS |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | 1xRTT | EVDO r0 | GPRS |
| Features | ||||
| Flashlight | - | Yes | - | - |
| GPS / Location | - | Yes | Yes | n/a |
| Ruggedized | - | Yes | - | - |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | Yes | - |
| Ringer Profiles | Yes | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| USB | Yes | - |
Yes Mini-USB |
Yes |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | n/a |
| Ringer ID | Yes | Yes | Yes | n/a |
| Voice Dialing | Yes | Yes | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | Yes | - | - | n/a |
| Data & Network | ||||
| Data Tethering | Yes | Yes | Yes | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | - |
| Messaging | ||||
| Email Client | Yes | - | - | n/a |
| EMS / Picture Messaging | - | Yes | Yes | n/a |
| Instant Messaging | - | - | Yes * | n/a |
| MMS | Yes | - | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Music Player | Yes | - | Yes | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| To-Do List | Yes | - | - | n/a |
| Voice Memo | Yes | Yes | Yes | n/a |
| Software | ||||
| BREW | - | Yes * | Yes * | n/a |
| Games | Yes | Yes | Yes | n/a |
| Java (J2ME) | Yes | - | Yes * | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | - | Yes | - | n/a |
| Push-To-Talk | Yes * | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Sony Ericsson Z550a | Kyocera KX12 | Motorola KRZR K1m | BlackBerry 7100 / 7105 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sony Ericsson Z550a | Kyocera KX12 | Motorola KRZR K1m | BlackBerry 7100 / 7105 |
