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| Phone | ZTE Flash | BlackBerry 7750 | Samsung Galaxy S6 (GSM) | Samsung Transform Ultra | Ericsson R520 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
? |
5.1" diag. 16 : 9 |
3.5" diag. 5 : 3 |
? |
| Display Resolution & Type |
720 x 1280 pixels (~326 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
1440 x 2560 pixels (~576 ppi) AMOLED |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
? |
| Display Refresh | 60 Hz | ? | 60 Hz | 60 Hz | ? |
| Battery | 1,780 mAh | ? | 2,550 mAh | 1,500 mAh | ? |
| Processor | 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 | ? | 2.1 GHz Samsung Exynos 7420 | 1 GHz Qualcomm Snapdragon S2 MSM8655 | ? |
| RAM | 1 GB | ? | 3 GB | ? | ? |
| Storage | 8 GB | ? raw hardware | 32 GB * | ? raw hardware | ? raw hardware |
| Main Camera | 12 megapixel | - | 16 megapixel | 3 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 1080p HD | - | 4K UHD | VGA (640 x 480) | - |
| Front Camera | 1 megapixel | - | 5 megapixel | Yes | - |
| Weight |
5.2 oz (147g) |
5.01 oz (142g) |
4.87 oz (138g) |
4.9 oz (139g) |
4.23 oz (120g) |
| Dimensions |
5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
4.5" x 2.4" x 0.55" (114 x 61 x 14 mm) |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
| Form Factor | Slab | Slab | Slab | Slide | Slab |
| Platform / OS | Android | BlackBerry OS | Android | Android | (proprietary) |
| Network Bands |
4G LTE: 25 CDMA: 800, 850, 1900 |
CDMA: 850, 1900 |
CDMA: 800, 850, 1900 |
GSM: 900, 1800, 1900 |
|
| Data Technology | LTE (Cat 3) | 1xRTT | LTE (Cat 6) | EVDO rA | GPRS |
| Features | |||||
| Fingerprint Reader | - | - | Yes | - | - |
| Flashlight | - | - | Yes | - | - |
| GPS / Location | n/a | n/a | n/a | n/a | - |
| VR-ready | - | - | Yes | - | - |
| Accessibility | |||||
| Adjustable Text Size | n/a | n/a | n/a | n/a | - |
| Hearing Aid Compatible | Yes | - | Yes | Yes | - |
| Multiple Languages | n/a | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | - |
| Alerts | |||||
| Ringer Profiles | - | Yes | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | Yes | Yes |
| Infrared (IR) | - | - | Yes | - | Yes |
| MirrorLink | - | - | Yes | - | - |
| Mobile Hotspot | n/a | n/a | n/a | n/a | - |
| NFC | Yes | - | Yes | - | - |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes | - |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | n/a | n/a | n/a | - |
| Ringer ID | n/a | n/a | n/a | n/a | - |
| Voice Dialing | n/a | n/a | n/a | n/a | Yes |
| Customization | |||||
| Custom Graphics | n/a | n/a | n/a | n/a | - |
| Custom Ringtones | n/a | n/a | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | n/a | n/a | n/a | n/a | Yes |
| WAP / Web Browser | n/a | n/a | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | n/a | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | Yes | - |
| Touch Screen | Yes | - | Yes | Yes | - |
| Memory | |||||
| Memory Card Slot | Yes | - | - | Yes | - |
| Messaging | |||||
| Email Client | n/a | n/a | n/a | n/a | - |
| Instant Messaging | n/a | n/a | n/a | n/a | - |
| MMS | n/a | n/a | n/a | n/a | - |
| Text Messaging Templates | n/a | n/a | n/a | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes | - |
| Music Player | n/a | n/a | n/a | n/a | - |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| Miracast | - | - | Yes | - | - |
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Wireless Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | n/a | n/a | n/a | n/a | Yes |
| Calculator | n/a | n/a | n/a | n/a | Yes |
| Calendar | n/a | n/a | n/a | n/a | Yes |
| To-Do List | n/a | n/a | n/a | n/a | - |
| Voice Memo | n/a | n/a | n/a | n/a | Yes |
| Software | |||||
| Games | n/a | n/a | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | n/a | n/a | - |
| Voice | |||||
| HD Voice | Yes | - | Yes | - | - |
| Headset Jack (2.5 mm) | n/a | n/a | n/a | n/a | - |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| ZTE Flash | BlackBerry 7750 | Samsung Galaxy S6 (GSM) | Samsung Transform Ultra | Ericsson R520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Flash | BlackBerry 7750 | Samsung Galaxy S6 (GSM) | Samsung Transform Ultra | Ericsson R520 |
