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| Phone | BlackBerry 7750 | LG K8 V | ZTE Blade Z Max | Nokia Lumia 521 / 520 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
5" diag. 16 : 9 |
6" diag. 16 : 9 |
4" diag. 5 : 3 |
| Display Resolution & Type |
240 x 240 pixels LCD (Color) |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | ? | 2,125 mAh | 4,080 mAh | 1,430 mAh |
| Processor | ? | 1.3 GHz Qualcomm Snapdragon 210 (MSM8909) | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | 1 GHz Qualcomm Snapdragon S4 MSM8270 |
| RAM | ? | 1.5 GB | 2 GB | 512 MB |
| Storage | ? raw hardware | 16 GB | 32 GB | 8 GB |
| Main Camera | - | 8 megapixel | 16 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 720p HD | 1080p HD | 720p HD |
| Front Camera | - | 5 megapixel | 8 megapixel | - |
| Weight |
5.01 oz (142g) |
4.71 oz (134g) |
6.58 oz (186g) |
4.39 oz (124g) |
| Dimensions |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
5.69" x 2.85" x 0.33" (145 x 72 x 8.4 mm) |
6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
| Platform / OS | BlackBerry OS | Android | Android | Windows |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | 1xRTT | LTE (Cat 4) | LTE (Cat 6) | HSPA+ 21 |
| Features | ||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | - | Yes | Yes | - |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| USB | Yes |
Yes Micro-USB |
Yes USB Type C |
Yes |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Voice | ||||
| HD Voice | - | Yes | Yes | - |
| Speaker Phone | - | Yes | Yes | Yes |
| BlackBerry 7750 | LG K8 V | ZTE Blade Z Max | Nokia Lumia 521 / 520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 7750 | LG K8 V | ZTE Blade Z Max | Nokia Lumia 521 / 520 |
