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| Phone | Samsung Galaxy Ring / Prevail 2 | Samsung SCH-A990 | ZTE Agent |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
? |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? |
| Battery | 1,750 mAh | 1,000 mAh | 900 mAh |
| Processor | 1.4 GHz Qualcomm Snapdragon S2 MSM8655 | ? | ? |
| RAM | 1 GB | ? | ? |
| Storage | 4 GB | ? raw hardware | ? raw hardware |
| Main Camera | 5 megapixel | 3 megapixel | 1 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 720p HD | ? | ? |
| Front Camera | 1 megapixel | - | - |
| Weight |
3.4 oz (96g) |
4.4 oz (125g) |
3.53 oz (100g) |
| Dimensions |
4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.3" x 1.9" x 0.6" (109 x 48 x 15.2 mm) |
| Form Factor | Slab | Clamshell | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 800, 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | EVDO rA | EVDO r0 | 1xRTT |
| Features | |||
| Flashlight | - | Yes | - |
| GPS / Location | n/a | Yes | Yes |
| Accessibility | |||
| Adjustable Text Size | n/a | - | - |
| Hearing Aid Compatible | Yes | Yes | Yes |
| Multiple Languages | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | - | Yes | - |
| Connectivity | |||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| USB | Yes | Yes |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
- | - |
| Contacts | |||
| Picture ID | n/a | Yes | - |
| Ringer ID | n/a | Yes | Yes |
| Voice Dialing | n/a | Yes | - |
| Customization | |||
| Custom Graphics | n/a | Yes | Yes |
| Custom Ringtones | n/a | Yes | Yes |
| Real-Music Ringers | n/a | Yes | Yes |
| Data & Network | |||
| Data Tethering | n/a | Yes | - |
| WAP / Web Browser | n/a | Yes | Yes |
| Input | |||
| Predictive Text Entry | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | Yes | - | - |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Messaging | |||
| Email Client | n/a | - | Yes |
| EMS / Picture Messaging | n/a | Yes | - |
| Instant Messaging | n/a | - | Yes |
| MMS | n/a | Yes | Yes |
| Text Messaging Templates | n/a | Yes | Yes |
| Music | |||
| Headphone Jack (3.5mm) | Yes | - | Yes |
| Music Player | n/a | Yes | Yes |
| Stereo Speakers | - | Yes | - |
| Photo & Video | |||
| DLNA | Yes | - | - |
| TV Output | - | Yes | - |
| Productivity | |||
| Alarm | n/a | Yes | Yes |
| Calculator | n/a | Yes | Yes |
| Calendar | n/a | Yes | Yes |
| Voice Memo | n/a | Yes | Yes |
| Software | |||
| BREW | n/a | Yes | Yes |
| Games | n/a | Yes | Yes |
| Voice | |||
| Speaker Phone | Yes | Yes | Yes |
| Samsung Galaxy Ring / Prevail 2 | Samsung SCH-A990 | ZTE Agent | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy Ring / Prevail 2 | Samsung SCH-A990 | ZTE Agent |
