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| Phone | ZTE Z221 | Samsung SCH-A690 | Sanyo S1 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
? |
1.7" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
128 x 160 pixels (~121 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? |
| Battery | 900 mAh | 1,300 mAh | 840 mAh |
| Processor | ? | ? | ? |
| RAM | ? | ? | ? |
| Storage | 142 MB | ? raw hardware | ? raw hardware |
| Main Camera | Yes | - | - |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | QCIF (176 x 144) | - | - |
| Front Camera | - | - | - |
| Weight |
3.24 oz (92g) |
4.3 oz (122g) |
2.5 oz (71g) |
| Dimensions |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
3.64" x 1.93" x 1.02" (92 x 49 x 25.9 mm) |
4.39" x 1.77" x 0.44" (112 x 45 x 11.2 mm) |
| Form Factor | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | HSDPA 3.6 | 1xRTT | 1xRTT |
| Features | |||
| GPS / Location | Yes | Yes | Yes |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- | - |
| Multiple Languages | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | Yes | Yes | - |
| Ringer Profiles | Yes | - | - |
| Connectivity | |||
| Bluetooth | Yes | - | Yes |
| USB | Yes | - |
Yes Micro-USB |
| Contacts | |||
| Picture ID | - | - | Yes |
| Ringer ID | - | - | Yes |
| Voice Dialing | - | Yes | Yes |
| Customization | |||
| Custom Graphics | Yes | - | Yes |
| Custom Ringtones | Yes | Yes | Yes |
| Real-Music Ringers | Yes | - | - |
| Data & Network | |||
| Data Tethering | - | Yes | Yes |
| External Antenna Jack | - | - | Yes |
| WAP / Web Browser | Yes | Yes | Yes |
| Input | |||
| Predictive Text Entry | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes |
| Messaging | |||
| Email Client | Yes | - | - |
| Instant Messaging | Yes | - | - |
| MMS | Yes | - | - |
| Text Messaging Templates | Yes | 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 |
| Voice | |||
| Call Screening | - | Yes | Yes |
| Headset Jack (2.5 mm) | - | Yes | Yes |
| Push-To-Talk | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes |
| ZTE Z221 | Samsung SCH-A690 | Sanyo S1 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z221 | Samsung SCH-A690 | Sanyo S1 |
