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| Phone | BlackBerry 7750 | Nokia Lumia 521 / 520 | Cricket Influence / AT&T Maestro Plus |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
4" diag. 5 : 3 |
6.2" diag. 19 : 9 |
| Display Resolution & Type |
240 x 240 pixels LCD (Color) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
720 x 1520 pixels (~271 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz |
| Battery | ? | 1,430 mAh | 3,300 mAh |
| Processor | ? | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 1.8 GHz Qualcomm Snapdragon 460 |
| RAM | ? | 512 MB | 3 GB |
| Storage | ? raw hardware | 8 GB | 32 GB |
| Main Camera | - | 5 megapixel | 13 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | 720p HD | 1080p HD |
| Front Camera | - | - | 5 megapixel |
| Weight |
5.01 oz (142g) |
4.39 oz (124g) |
6.52 oz (185g) |
| Dimensions |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
6.28" x 2.99" x 0.35" (160 x 76 x 8.9 mm) |
| Platform / OS | BlackBerry OS | Windows | Android |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12, 14, 30 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | 1xRTT | HSPA+ 21 | LTE (Cat 13) |
| Features | |||
| Fingerprint Reader | - | - |
Yes stand-alone |
| Flashlight | - | - | Yes |
| Accessibility | |||
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Ringer Profiles | Yes | - | - |
| Connectivity | |||
| Bluetooth | - | Yes | Yes |
| USB | Yes | Yes |
Yes USB Type C |
| Wi-Fi | - | Yes |
Yes 4 (802.11 b,g,n) |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | Yes |
| Voice | |||
| HD Voice | - | - | Yes |
| Speaker Phone | - | Yes | Yes |
| BlackBerry 7750 | Nokia Lumia 521 / 520 | Cricket Influence / AT&T Maestro Plus | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 7750 | Nokia Lumia 521 / 520 | Cricket Influence / AT&T Maestro Plus |
