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| Phone | ZTE Z331 | Samsung SGH-R225 / SGH-R225M | Samsung SPH-A250 | Samsung SCH-N150 | Sony Ericsson C905 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Not yet released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? | ? | ? |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~117 ppi) LCD (TFT/TFD) |
128 x 64 pixels | ? | 128 x 64 pixels |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 950 mAh | ? | ? | ? | 930 mAh |
| Processor | ? | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 3 megapixel | - | - | - | 8 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QCIF (176 x 144) | - | - | - | ? |
| Front Camera | - | - | - | - | - |
| Weight |
4 oz (113g) |
3.35 oz (95g) |
2.82 oz (80g) |
4.2 oz (119g) |
4.76 oz (135g) |
| Dimensions |
3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm) |
4.33" x 1.81" x 0.93" (110 x 46 x 23.6 mm) |
2.76" x 1.91" x 0.83" (70 x 49 x 21.1 mm) |
4.57" x 1.97" x 0.84" (116 x 50 x 21.3 mm) |
4.15" x 1.93" x 0.77" (105 x 49 x 19.6 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Flip | Slide |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1900 |
CDMA: 1900 |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | - | - | - | HSDPA 3.6 |
| Features | |||||
| GPS / Location | Yes | - | - | - | Yes |
| Accessibility | |||||
| Hearing Aid Compatible | Yes | - | - | - | - |
| Multiple Languages | Yes | Yes | - | - | Yes |
| TTY/TDD (Digital) | Yes | - | - | - | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | Yes | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
- | - | - |
Yes Classic Audio |
| USB |
Yes Micro-USB |
- | - | - | Yes |
| Wi-Fi | - | - | - | - | Yes * |
| Contacts | |||||
| Picture ID | Yes | - | - | - | Yes |
| Ringer ID | Yes | Yes | - | - | Yes |
| Voice Dialing | - | - | Yes | Yes | Yes |
| Customization | |||||
| Custom Graphics | Yes | Yes | - | - | Yes |
| Custom Ringtones | Yes | Yes | - | - | Yes |
| Real-Music Ringers | Yes | - | - | - | Yes |
| Data & Network | |||||
| Data Tethering | Yes | Yes | Yes | Yes | Yes |
| WAP / Web Browser | Yes | - | Yes | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | Yes | Yes |
| Side Keys | Yes | - | Yes | - | Yes |
| Memory | |||||
| Memory Card Slot | Yes | - | - | - | Yes |
| Messaging | |||||
| Email Client | Yes | - | - | - | Yes |
| Instant Messaging | Yes | - | - | - | Yes |
| MMS | Yes | Yes | - | - | Yes |
| Text Messaging Templates | Yes | Yes | - | - | Yes |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Music Player | Yes | - | - | - | Yes |
| Photo & Video | |||||
| Video Calling | - | - | - | - | Yes * |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes | Yes | Yes |
| To-Do List | - | - | Yes | Yes | Yes |
| Voice Memo | Yes | - | - | - | Yes |
| Software | |||||
| Games | Yes | Yes | - | Yes | Yes |
| Java (J2ME) | Yes | - | - | - | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | - | Yes | Yes | Yes | - |
| Speaker Phone | Yes | - | - | - | Yes |
| * Some versions only | |||||
| ZTE Z331 | Samsung SGH-R225 / SGH-R225M | Samsung SPH-A250 | Samsung SCH-N150 | Sony Ericsson C905 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z331 | Samsung SGH-R225 / SGH-R225M | Samsung SPH-A250 | Samsung SCH-N150 | Sony Ericsson C905 |
