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| Phone | Samsung SCH-A990 | Huawei Ascend | Samsung VI-A820 | Coolpad Quattro 4G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
3.5" diag. 5 : 3 |
? |
4" diag. 5 : 3 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz |
| Battery | 1,000 mAh | 1,500 mAh | 1,000 mAh | 1,600 mAh |
| Processor | ? | 528 MHz Qualcomm S1 MSM7625 | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 512 MB |
| Main Camera | 3 megapixel | 3 megapixel | - | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | CIF (352 x 288) | - | VGA (640 x 480) |
| Front Camera | - | - | - | Yes |
| Weight |
4.4 oz (125g) |
4.76 oz (135g) |
3.14 oz (89g) |
3.31 oz (94g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.57" x 2.44" x 0.55" (116 x 62 x 14 mm) |
3.56" x 1.88" x 1.06" (90 x 48 x 26.9 mm) |
4.96" x 2.6" x 0.51" (126 x 66 x 13 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
| Data Technology | EVDO r0 | EVDO rA | 1xRTT | LTE (Cat 3) |
| Features | ||||
| Flashlight | Yes | - | - | - |
| GPS / Location | Yes | n/a | Yes | n/a |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M4 (very compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Mobile Hotspot | - | n/a | - | n/a |
| USB | Yes | Yes | - | Yes |
| Wi-Fi | - |
Yes 802.11 b,g |
- | Yes |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | n/a |
| Ringer ID | Yes | n/a | Yes | n/a |
| Voice Dialing | Yes | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | Yes | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | - | n/a |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | n/a | - | n/a |
| EMS / Picture Messaging | Yes | n/a | - | n/a |
| Instant Messaging | - | n/a | - | n/a |
| MMS | Yes | n/a | - | n/a |
| Text Messaging Templates | Yes | n/a | - | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | Yes | n/a | - | n/a |
| Stereo Speakers | Yes | - | - | - |
| Photo & Video | ||||
| TV Output | Yes | - | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | Yes | n/a | Yes | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | - | n/a | Yes | n/a |
| Voice Memo | Yes | n/a | Yes | n/a |
| Software | ||||
| BREW | Yes | n/a | - | n/a |
| Games | Yes | n/a | Yes | n/a |
| Java (J2ME) | - | n/a | Yes | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | - | n/a | Yes | n/a |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung SCH-A990 | Huawei Ascend | Samsung VI-A820 | Coolpad Quattro 4G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | Huawei Ascend | Samsung VI-A820 | Coolpad Quattro 4G |
