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| Phone | ZTE Z221 | Kyocera Slider Remix KX5 / Slider Sonic | Sony Ericsson S710a |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
? | ? |
| Display Resolution & Type |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? |
| Battery | 900 mAh | 900 mAh | 780 mAh |
| Processor | ? | ? | ? |
| RAM | ? | ? | ? |
| Storage | 142 MB | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 1 megapixel | 1 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | QCIF (176 x 144) | ? | QCIF (176 x 144) |
| Front Camera | - | - | - |
| Weight |
3.24 oz (92g) |
3.88 oz (110g) |
4.83 oz (137g) |
| Dimensions |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
3.89" x 1.85" x 0.9" (99 x 47 x 22.9 mm) |
4.23" x 1.93" x 0.96" (107 x 49 x 24.4 mm) |
| Form Factor | Clamshell | Slide | Swivel |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1800, 1900 |
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| Data Technology | HSDPA 3.6 | 1xRTT | EDGE |
| Features | |||
| GPS / Location | Yes | Yes | - |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | Yes | - | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | Yes | - | - |
| Ringer Profiles | Yes | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes * | Yes |
| Infrared (IR) | - | - | Yes |
| USB | Yes | - | Yes |
| Contacts | |||
| Picture ID | - | Yes | Yes |
| Ringer ID | - | Yes | Yes |
| Voice Dialing | - | Yes | Yes |
| Customization | |||
| Custom Graphics | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes |
| Real-Music Ringers | Yes | - | - |
| Data & Network | |||
| Data Tethering | - | Yes | Yes |
| WAP / Web Browser | Yes | Yes | Yes |
| Input | |||
| Predictive Text Entry | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| Email Client | Yes | - | Yes |
| EMS / Picture Messaging | - | Yes | Yes |
| Instant Messaging | Yes | Yes * | - |
| MMS | Yes | Yes | Yes |
| Text Messaging Templates | Yes | - | Yes |
| Music | |||
| Music Player | - | Yes | Yes |
| Productivity | |||
| Alarm | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes |
| To-Do List | - | - | Yes |
| Voice Memo | Yes | Yes * | Yes |
| Software | |||
| BREW | - | Yes * | - |
| Games | Yes | Yes | Yes |
| Java (J2ME) | Yes | Yes * | Yes |
| Voice | |||
| Headset Jack (2.5 mm) | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| ZTE Z221 | Kyocera Slider Remix KX5 / Slider Sonic | Sony Ericsson S710a | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z221 | Kyocera Slider Remix KX5 / Slider Sonic | Sony Ericsson S710a |
