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| Phone | Samsung SCH-A990 | Sony Ericsson Xperia X10 mini pro (2010) | ZTE Z331 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
2.6" diag. 4 : 3 |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~117 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 1,000 mAh | 930 mAh | 950 mAh |
| Processor | ? | 600 MHz Qualcomm S1 MSM7227 | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 3 megapixel | 5 megapixel | 3 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | ? | VGA (640 x 480) | QCIF (176 x 144) |
| Front Camera | - | - | - |
| Weight |
4.4 oz (125g) |
4.2 oz (119g) |
4 oz (113g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
3.5" x 2" x 0.7" (89 x 51 x 17.8 mm) |
3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm) |
| Form Factor | Clamshell | Slide | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | HSPA 7.2 | HSDPA 3.6 |
| Features | |||
| Flashlight | Yes | - | - |
| GPS / Location | Yes | n/a | Yes |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Extra Display | Yes | - | Yes |
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| USB | Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - | Yes | - |
| Contacts | |||
| Picture ID | Yes | n/a | Yes |
| Ringer ID | Yes | n/a | Yes |
| Voice Dialing | Yes | n/a | - |
| Customization | |||
| Custom Graphics | Yes | n/a | Yes |
| Custom Ringtones | Yes | n/a | Yes |
| Real-Music Ringers | Yes | n/a | Yes |
| Data & Network | |||
| Data Tethering | Yes | n/a | Yes |
| WAP / Web Browser | Yes | n/a | Yes |
| Input | |||
| Predictive Text Entry | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Messaging | |||
| Email Client | - | n/a | Yes |
| EMS / Picture Messaging | Yes | n/a | - |
| Instant Messaging | - | n/a | Yes |
| MMS | Yes | n/a | Yes |
| Text Messaging Templates | Yes | n/a | Yes |
| Music | |||
| FM Radio | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | - |
| Music Player | Yes | n/a | Yes |
| Stereo Speakers | Yes | - | - |
| Photo & Video | |||
| TV Output | Yes | - | - |
| Productivity | |||
| Alarm | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes |
| To-Do List | - | n/a | - |
| Voice Memo | Yes | n/a | Yes |
| Software | |||
| BREW | Yes | n/a | - |
| Games | Yes | n/a | Yes |
| Java (J2ME) | - | n/a | Yes |
| Voice | |||
| Speaker Phone | Yes | Yes | Yes |
| Samsung SCH-A990 | Sony Ericsson Xperia X10 mini pro (2010) | ZTE Z331 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | Sony Ericsson Xperia X10 mini pro (2010) | ZTE Z331 |
