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| Phone | AT&T Vista | Coolpad Quattro 4G | Sharp TM100 | Samsung Ace SPH-i325 | Samsung Galaxy A02s |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
5.5" diag. 18 : 9 |
4" diag. 5 : 3 |
? |
2.3" diag. 4 : 3 |
6.5" diag. 20 : 9 |
| Display Resolution & Type |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
320 x 240 pixels (~174 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | ? | ? | 60 Hz |
| Battery | 2,450 mAh | 1,600 mAh | 780 mAh | 1,300 mAh | 5,000 mAh |
| Processor | 2 GHz MediaTek Helio A22 (MT6761V) | ? | ? | 416 MHz PXA270 | Qualcomm Snapdragon 450 |
| RAM | 3 GB | ? | ? | ? | 2 GB |
| Storage | 32 GB | 512 MB | ? raw hardware | ? raw hardware | 32 GB |
| Main Camera | 8 megapixel | 3 megapixel | Yes | 1 megapixel | 13 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 1080p HD | VGA (640 x 480) | ? | QVGA (320 x 240) | 1080p HD |
| Front Camera | 5 megapixel | Yes | - | - | 5 megapixel |
| Weight |
5.51 oz (156g) |
3.31 oz (94g) |
3.7 oz (105g) |
3.9 oz (111g) |
6.98 oz (198g) |
| Dimensions |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
4.96" x 2.6" x 0.51" (126 x 66 x 13 mm) |
3.94" x 1.93" x 0.76" (100 x 49 x 19.3 mm) |
4.65" x 2.32" x 0.46" (118 x 59 x 11.7 mm) |
6.56" x 2.99" x 0.36" (166 x 76 x 9.2 mm) |
| Form Factor | Slab | Slab | Slide | Slab | Slab |
| Platform / OS | Android | Android | (proprietary) | Windows Mobile Standard | Android |
| Network Bands |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 GSM: 900, 1800 |
4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 4) | LTE (Cat 3) | GPRS | EVDO r0 | LTE (Cat 4) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Flashlight | Yes | - | - | - | Yes |
| GPS / Location | n/a | n/a | - | n/a | n/a |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | - | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | - | - | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | - | Yes | Yes |
| Infrared (IR) | - | - | Yes | - | - |
| Mobile Hotspot | n/a | n/a | - | n/a | n/a |
| USB |
Yes USB Type C |
Yes | Yes | Yes |
Yes USB Type C |
| Wi-Fi | Yes | Yes | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | n/a | n/a | Yes | n/a | n/a |
| Ringer ID | n/a | n/a | Yes | n/a | n/a |
| Voice Dialing | n/a | n/a | - | n/a | n/a |
| Customization | |||||
| Custom Graphics | n/a | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | n/a | - | n/a | n/a |
| Data & Network | |||||
| Data Tethering | n/a | n/a | Yes | n/a | n/a |
| WAP / Web Browser | n/a | n/a | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | n/a | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- | - |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | n/a | Yes | n/a | n/a |
| EMS / Picture Messaging | n/a | n/a | Yes | n/a | n/a |
| Instant Messaging | n/a | n/a | - | n/a | n/a |
| MMS | n/a | n/a | Yes | n/a | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | Yes | - | - | Yes |
| Music Player | n/a | n/a | - | n/a | n/a |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | n/a | n/a | Yes | n/a | n/a |
| Calculator | n/a | n/a | Yes | n/a | n/a |
| Calendar | n/a | n/a | Yes | n/a | n/a |
| To-Do List | n/a | n/a | - | n/a | n/a |
| Voice Memo | n/a | n/a | Yes | n/a | n/a |
| Software | |||||
| Games | n/a | n/a | Yes | n/a | n/a |
| Java (J2ME) | n/a | n/a | Yes | n/a | n/a |
| Voice | |||||
| HD Voice | Yes | - | - | - | Yes |
| Speaker Phone | Yes | Yes | - | Yes | Yes |
| AT&T Vista | Coolpad Quattro 4G | Sharp TM100 | Samsung Ace SPH-i325 | Samsung Galaxy A02s | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | AT&T Vista | Coolpad Quattro 4G | Sharp TM100 | Samsung Ace SPH-i325 | Samsung Galaxy A02s |
