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| Phone | ZTE Flash | Samsung SCH-A570 | Samsung Galaxy S II Skyrocket | Samsung Galaxy S6 (GSM) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
? |
4.5" diag. 5 : 3 |
5.1" diag. 16 : 9 |
| Display Resolution & Type |
720 x 1280 pixels (~326 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
480 x 800 pixels (~207 ppi) AMOLED |
1440 x 2560 pixels (~576 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 1,780 mAh | ? | 1,850 mAh | 2,550 mAh |
| Processor | 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 | ? | 1.5 GHz Qualcomm Snapdragon S3 APQ8060 | 2.1 GHz Samsung Exynos 7420 |
| RAM | 1 GB | ? | 1 GB | 3 GB |
| Storage | 8 GB | ? raw hardware | 16 GB | 32 GB * |
| Main Camera | 12 megapixel | - | 8 megapixel | 16 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | - | 1080p HD | 4K UHD |
| Front Camera | 1 megapixel | - | 2 megapixel | 5 megapixel |
| Weight |
5.2 oz (147g) |
3.6 oz (102g) |
4.71 oz (133g) |
4.87 oz (138g) |
| Dimensions |
5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm) |
3.3" x 1.8" x 0.9" (84 x 46 x 22.9 mm) |
5.12" x 2.72" x 0.35" (130 x 69 x 9 mm) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | Android |
| Network Bands |
4G LTE: 25 CDMA: 800, 850, 1900 |
CDMA: 850, 1900 |
4G LTE: 4, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 3) | 1xRTT | LTE (Cat 3) | LTE (Cat 6) |
| Features | ||||
| Fingerprint Reader | - | - | - | Yes |
| Flashlight | - | - | - | Yes |
| GPS / Location | n/a | Yes | n/a | n/a |
| VR-ready | - | - | - | Yes |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | n/a | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| Infrared (IR) | - | - | - | Yes |
| MirrorLink | - | - | - | Yes |
| Mobile Hotspot | n/a | - | n/a | n/a |
| NFC | Yes | - | Yes | Yes |
| USB |
Yes Micro-USB |
- |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 4 (802.11 a,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | - | n/a | n/a |
| Ringer ID | n/a | - | n/a | n/a |
| Voice Dialing | n/a | Yes | n/a | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | n/a | - | n/a | n/a |
| WAP / Web Browser | n/a | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | - |
| Messaging | ||||
| Email Client | n/a | - | n/a | n/a |
| EMS / Picture Messaging | n/a | Yes | n/a | n/a |
| Instant Messaging | n/a | - | n/a | n/a |
| MMS | n/a | - | n/a | n/a |
| Text Messaging Templates | n/a | Yes | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes |
| Music Player | n/a | - | n/a | n/a |
| Photo & Video | ||||
| DLNA | - | - | Yes | Yes |
| Miracast | - | - | - | Yes |
| TV Output | - | - | Yes | Yes |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Wireless Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a |
| Calendar | n/a | Yes | n/a | n/a |
| To-Do List | n/a | Yes | n/a | n/a |
| Voice Memo | n/a | Yes | n/a | n/a |
| Software | ||||
| BREW | n/a | Yes | n/a | n/a |
| Games | n/a | Yes | n/a | n/a |
| Voice | ||||
| HD Voice | Yes | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | Yes | n/a | n/a |
| Speaker Phone | Yes | - | Yes | Yes |
| ZTE Flash | Samsung SCH-A570 | Samsung Galaxy S II Skyrocket | Samsung Galaxy S6 (GSM) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Flash | Samsung SCH-A570 | Samsung Galaxy S II Skyrocket | Samsung Galaxy S6 (GSM) |
