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| Phone | Samsung SCH-A990 | ZTE Flash | Casio G'zOne Boulder |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
4.5" diag. 16 : 9 |
2" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
720 x 1280 pixels (~326 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 1,000 mAh | 1,780 mAh | 810 mAh |
| Processor | ? | 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 | ? |
| RAM | ? | 1 GB | ? |
| Storage | ? raw hardware | 8 GB | ? raw hardware |
| Main Camera | 3 megapixel | 12 megapixel | 1 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | ? | 1080p HD | ? |
| Front Camera | - | 1 megapixel | - |
| Weight |
4.4 oz (125g) |
5.2 oz (147g) |
4.9 oz (139g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm) |
3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) |
| Form Factor | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 25 CDMA: 800, 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | EVDO r0 | LTE (Cat 3) | EVDO rA |
| Features | |||
| Flashlight | Yes | - | Yes |
| GPS / Location | Yes | n/a | Yes |
| Ruggedized | - | - | Yes |
| Water-Resistant | - | - | Yes |
| Accessibility | |||
| Adjustable Text Size | - | n/a | - |
| 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 |
| Alerts | |||
| Extra Display | Yes | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | - |
| NFC | - | Yes | - |
| USB | Yes |
Yes Micro-USB |
Yes |
| Wi-Fi | - |
Yes 4 (802.11 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 |
| Real-Music Ringers | Yes | n/a | - |
| Data & Network | |||
| Data Tethering | Yes | n/a | Yes |
| WAP / Web Browser | Yes | n/a | Yes |
| Input | |||
| Predictive Text Entry | 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 | - |
| EMS / Picture Messaging | Yes | n/a | Yes |
| Instant Messaging | - | n/a | - |
| MMS | Yes | n/a | Yes |
| Text Messaging Templates | Yes | n/a | Yes |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | - |
| Music Player | Yes | n/a | Yes |
| Stereo Speakers | Yes | - | - |
| Photo & Video | |||
| TV Output | Yes | - | - |
| Productivity | |||
| Alarm | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes |
| Voice Memo | Yes | n/a | Yes |
| Software | |||
| BREW | Yes | n/a | Yes |
| Games | Yes | n/a | Yes |
| Voice | |||
| HD Voice | - | Yes | - |
| Push-To-Talk | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes |
| Samsung SCH-A990 | ZTE Flash | Casio G'zOne Boulder | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | ZTE Flash | Casio G'zOne Boulder |
