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| Phone | ZTE Flash | ZTE Blade Vantage 2 | Samsung SCH-A990 | Samsung Byline R310 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
5" diag. 18 : 9 |
? |
1.8" diag. 4 : 3 |
| Display Resolution & Type |
720 x 1280 pixels (~326 ppi) LCD (TFT/TFD) |
480 x 960 pixels (~215 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (STN) |
| Display Refresh | 60 Hz | 60 Hz | ? | ? |
| Battery | 1,780 mAh | 2,050 mAh | 1,000 mAh | 800 mAh |
| Processor | 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 | 2 GHz MediaTek MT6761 | ? | ? |
| RAM | 1 GB | 2 GB | ? | ? |
| Storage | 8 GB | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | 12 megapixel | 5 megapixel | 3 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | 720p HD | ? | - |
| Front Camera | 1 megapixel | 2 megapixel | - | - |
| Weight |
5.2 oz (147g) |
5.3 oz (150g) |
4.4 oz (125g) |
3.25 oz (92g) |
| Dimensions |
5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm) |
5.4" x 2.7" x 0.41" (137 x 69 x 10.4 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
3.5" x 1.7" x 0.77" (89 x 43 x 19.6 mm) |
| Form Factor | Slab | Slab | Clamshell | Clamshell |
| Platform / OS | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
4G LTE: 25 CDMA: 800, 850, 1900 |
4G LTE: 2, 4, 5, 13 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | LTE (Cat 3) | LTE (Cat 4) | EVDO r0 | 1xRTT |
| Features | ||||
| Flashlight | - | Yes | Yes | - |
| GPS / Location | n/a | n/a | Yes | Yes |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | - | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M4 (very compatible) |
| Multiple Languages | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | - | - |
| NFC | Yes | - | - | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes | - |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | Yes |
| Ringer ID | n/a | n/a | Yes | Yes |
| Voice Dialing | n/a | n/a | Yes | Yes |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | Yes |
| Custom Ringtones | n/a | n/a | Yes | Yes |
| Real-Music Ringers | n/a | n/a | Yes | - |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | - |
| WAP / Web Browser | n/a | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | Yes |
| 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 | n/a | n/a | Yes | - |
| Instant Messaging | n/a | n/a | - | - |
| MMS | n/a | n/a | Yes | Yes |
| Text Messaging Templates | n/a | n/a | Yes | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | - | - |
| Music Player | n/a | n/a | Yes | - |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| TV Output | - | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | Yes |
| Calculator | n/a | n/a | Yes | Yes |
| Calendar | n/a | n/a | Yes | Yes |
| Voice Memo | n/a | n/a | Yes | - |
| Software | ||||
| BREW | n/a | n/a | Yes | Yes |
| Games | n/a | n/a | Yes | Yes |
| Voice | ||||
| HD Voice | Yes | Yes | - | - |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| ZTE Flash | ZTE Blade Vantage 2 | Samsung SCH-A990 | Samsung Byline R310 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Flash | ZTE Blade Vantage 2 | Samsung SCH-A990 | Samsung Byline R310 |
