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| Phone | Siemens A56 / A56i | Samsung SCH-A990 | ZTE Blade Vantage | Samsung Convoy 3 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
5" diag. 16 : 9 |
2.4" diag. 4 : 3 |
| Display Resolution & Type | 101 x 64 pixels |
240 x 320 pixels LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 700 mAh | 1,000 mAh | 2,500 mAh | 1,300 mAh |
| Processor | ? | ? | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | 480 MHz Qualcomm QSC6185 |
| RAM | ? | ? | 2 GB | 256 MB |
| Storage | ? raw hardware | ? raw hardware | 16 GB | 512 MB |
| Main Camera | - | 3 megapixel | 8 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | 720p HD | QVGA (320 x 240) |
| Front Camera | - | - | 2 megapixel | - |
| Weight |
3 oz (85g) |
4.4 oz (125g) |
5.29 oz (150g) |
4.4 oz (125g) |
| Dimensions |
4" x 1.7" x 0.8" (102 x 43 x 20.3 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm) |
4.07" x 2.04" x 0.82" (103 x 52 x 20.8 mm) |
| Form Factor | Slab | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 850, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 13 |
CDMA: 850, 1900 |
| Data Technology | - | EVDO r0 | LTE (Cat 4) | EVDO rA |
| Features | ||||
| Flashlight | - | Yes | Yes | Yes |
| GPS / Location | Yes | Yes | n/a | Yes |
| Ruggedized | - | - | - | Yes |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | Yes |
| Hearing Aid Compatible | - |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | - | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | Yes |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| USB | - | Yes |
Yes Micro-USB |
Yes |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | Yes |
| Ringer ID | Yes | Yes | n/a | Yes |
| Voice Dialing | - | Yes | n/a | Yes |
| Customization | ||||
| Changeable Body Plates | Yes | - | - | - |
| Custom Graphics | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | Yes | n/a | Yes |
| Data & Network | ||||
| Data Tethering | - | Yes | n/a | Yes |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | Yes |
| Side Keys | - | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | - | n/a | Yes |
| EMS / Picture Messaging | Yes | Yes | n/a | - |
| MMS | - | Yes | n/a | Yes |
| Text Messaging Templates | - | Yes | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | - | Yes | n/a | Yes |
| Stereo Speakers | - | Yes | - | Yes |
| Photo & Video | ||||
| TV Output | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | Yes |
| Calendar | - | Yes | n/a | Yes |
| Voice Memo | - | Yes | n/a | Yes |
| Software | ||||
| BREW | - | Yes | n/a | Yes |
| Games | Yes | Yes | n/a | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | - | Yes | Yes | Yes |
| Siemens A56 / A56i | Samsung SCH-A990 | ZTE Blade Vantage | Samsung Convoy 3 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens A56 / A56i | Samsung SCH-A990 | ZTE Blade Vantage | Samsung Convoy 3 |
