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| Phone | Samsung Wafer R510 | Samsung SCH-A990 | ZTE Z222 / Z223 | Samsung SCH-U740 Alias |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.9" diag. 4 : 3 |
? |
2" diag. 4 : 3 |
? |
| Display Resolution & Type |
220 x 176 pixels (~148 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 800 mAh | 1,000 mAh | 900 mAh | ? |
| Processor | ? | ? | QSC6270 | ? |
| RAM | ? | ? | 64 MB | ? |
| Storage | ? raw hardware | ? raw hardware | 128 MB | ? raw hardware |
| Main Camera | 1 megapixel | 3 megapixel | Yes | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | ? | ? | ? |
| Front Camera | - | - | - | - |
| Weight |
2.47 oz (70g) |
4.4 oz (125g) |
3.24 oz (92g) |
3.56 oz (101g) |
| Dimensions |
4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
3.84" x 2.04" x 0.63" (98 x 52 x 16 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | EVDO r0 | EVDO r0 | HSDPA 3.6 | EVDO r0 |
| Features | ||||
| Flashlight | - | Yes | - | - |
| GPS / Location | Yes | Yes | - | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | Yes | Yes | Yes | Yes |
| Multiple Languages | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | Yes | Yes |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| USB | - | Yes |
Yes Micro-USB |
Yes |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | Yes |
| Ringer ID | - | Yes | Yes | Yes |
| Voice Dialing | Yes | Yes | - | Yes |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes |
| Real-Music Ringers | - | Yes | Yes | - |
| Data & Network | ||||
| Data Tethering | - | Yes | - | Yes |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | - | Yes | Yes |
| EMS / Picture Messaging | - | Yes | - | - |
| Instant Messaging | - | - | - | Yes |
| MMS | Yes | Yes | Yes | Yes |
| Text Messaging Templates | - | Yes | Yes | Yes |
| Music | ||||
| FM Radio | - | - | Yes * | - |
| Music Player | Yes | Yes | - | Yes |
| Stereo Speakers | Yes | Yes | - | - |
| Photo & Video | ||||
| TV Output | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes | Yes |
| Voice Memo | Yes | Yes | Yes | Yes |
| Software | ||||
| BREW | Yes | Yes | - | Yes |
| Games | Yes | Yes | Yes | Yes |
| Java (J2ME) | - | - | Yes | - |
| Voice | ||||
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung Wafer R510 | Samsung SCH-A990 | ZTE Z222 / Z223 | Samsung SCH-U740 Alias | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Wafer R510 | Samsung SCH-A990 | ZTE Z222 / Z223 | Samsung SCH-U740 Alias |
