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| Phone | Samsung SPH-i550 | ZTE MSGM8 II | Motorola KRZR K1 | ZTE Z331 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Not yet released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.2" diag. 4 : 3 |
? |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
220 x 176 pixels (~130 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
176 x 220 pixels (~117 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 900 mAh | 780 mAh | 950 mAh |
| Processor | 200 MHz Motorola MX-1 | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 1 megapixel | 2 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | ? | QCIF (176 x 144) |
| Front Camera | - | - | - | - |
| Weight | ? |
3.65 oz (104g) |
3.6 oz (102g) |
4 oz (113g) |
| Dimensions |
3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm) |
4.2" x 2.4" x 0.54" (107 x 61 x 13.7 mm) |
4.05" x 1.65" x 0.63" (103 x 42 x 16 mm) |
3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Clamshell |
| Platform / OS | Palm OS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1700, 1900 |
GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | 1xRTT | EDGE | HSDPA 3.6 |
| Features | ||||
| GPS / Location | n/a | Yes | - | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | - | Yes | - | Yes |
| Multiple Languages | n/a | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | Yes | Yes |
| Ringer Profiles | - | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | - |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | Yes | - | - | - |
| USB | - |
Yes Mini-USB |
Yes |
Yes Micro-USB |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | Yes |
| Ringer ID | n/a | Yes | Yes | Yes |
| Voice Dialing | n/a | Yes | Yes | - |
| Customization | ||||
| Custom Graphics | n/a | Yes | Yes | Yes |
| Custom Ringtones | n/a | Yes | Yes | Yes |
| Real-Music Ringers | n/a | Yes | - | Yes |
| Data & Network | ||||
| Data Tethering | n/a | - | Yes | Yes |
| WAP / Web Browser | n/a | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | - | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | Yes | - | - | - |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | - | Yes | Yes |
| EMS / Picture Messaging | n/a | - | Yes | - |
| Instant Messaging | n/a | - | - | Yes |
| MMS | n/a | Yes | Yes | Yes |
| Text Messaging Templates | n/a | - | Yes | Yes |
| Music | ||||
| Music Player | n/a | - | Yes | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | Yes |
| Calculator | n/a | Yes | Yes | Yes |
| Calendar | n/a | Yes | Yes | Yes |
| To-Do List | n/a | - | - | - |
| Voice Memo | n/a | Yes | Yes | Yes |
| Software | ||||
| BREW | n/a | Yes | - | - |
| Games | n/a | Yes | Yes | Yes |
| Java (J2ME) | n/a | - | Yes | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | Yes | - | - |
| Push-To-Talk | - | - | Yes * | - |
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung SPH-i550 | ZTE MSGM8 II | Motorola KRZR K1 | ZTE Z331 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SPH-i550 | ZTE MSGM8 II | Motorola KRZR K1 | ZTE Z331 |
