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| Phone | Samsung MM-A900 / SPH-A900 / Ace | Cricket Debut S2 / AT&T Calypso 4 | Sharp Z-800 (Audiovox 7900) | Samsung SCH-A310 |
| Current U.S. Carriers | (none) | AT&T | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
6.1" diag. 19.5 : 9 |
? | ? |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
? LCD (Color) |
128 x 128 pixels LCD (Grayscale) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | ? | 3,000 mAh | ? | ? |
| Processor | ? | 2 GHz MediaTek Helio A22 (MT6761WB) | ? | ? |
| RAM | ? | 3 GB | ? | ? |
| Storage | ? raw hardware | 64 GB | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 8 megapixel | - | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | ? | - | - |
| Front Camera | - | 5 megapixel | - | - |
| Weight |
3.9 oz (111g) |
5.64 oz (160g) |
4.25 oz (120g) |
3.2 oz (91g) |
| Dimensions |
3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm) |
6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm) |
3.6" x 2" x 1.1" (91 x 51 x 27.9 mm) |
3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | EVDO r0 | LTE (Cat 4) | - | 1xRTT |
| Features | ||||
| Flashlight | - | Yes | - | - |
| GPS / Location | Yes | n/a | - | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
- | - |
| Multiple Languages | Yes | n/a | - | Yes |
| TTY/TDD (Digital) | Yes | - | - | - |
| Alerts | ||||
| Extra Display | Yes | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | - |
| USB | Yes |
Yes USB Type C |
- | Yes |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | - |
| Ringer ID | Yes | n/a | Yes | - |
| Voice Dialing | Yes | n/a | - | Yes |
| Customization | ||||
| Changeable Body Plates | - | - | - | Yes |
| Custom Graphics | Yes | n/a | Yes | - |
| Custom Ringtones | Yes | n/a | Yes | - |
| Data & Network | ||||
| Data Tethering | Yes | n/a | Yes | Yes |
| WAP / Web Browser | Yes | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | - | Yes | - | - |
| Messaging | ||||
| Text Messaging Templates | Yes | n/a | Yes | - |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | Yes | n/a | - | - |
| Power | ||||
| Fast Charging | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | - |
| Calculator | Yes | n/a | - | - |
| Calendar | Yes | n/a | - | Yes |
| To-Do List | Yes | n/a | - | - |
| Voice Memo | Yes | n/a | - | Yes |
| Software | ||||
| BREW | - | n/a | Yes | - |
| Games | Yes | n/a | Yes | Yes |
| Java (J2ME) | Yes | n/a | - | - |
| Voice | ||||
| HD Voice | - | Yes | - | - |
| Headset Jack (2.5 mm) | Yes | n/a | Yes | Yes |
| Speaker Phone | Yes | Yes | - | - |
| Samsung MM-A900 / SPH-A900 / Ace | Cricket Debut S2 / AT&T Calypso 4 | Sharp Z-800 (Audiovox 7900) | Samsung SCH-A310 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung MM-A900 / SPH-A900 / Ace | Cricket Debut S2 / AT&T Calypso 4 | Sharp Z-800 (Audiovox 7900) | Samsung SCH-A310 |
