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| Phone | BlackBerry 7750 | LG K4 / Optimus Zone 3 / Rebel | Kyocera DuraForce Pro 3 | Motorola Defy (2010) |
| Current U.S. Carriers | (none) | (none) | Verizon | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
4.5" diag. 16 : 9 |
5.4" diag. 18 : 9 |
3.6" diag. 16 : 9 |
| Display Resolution & Type |
240 x 240 pixels LCD (Color) |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~449 ppi) AMOLED |
480 x 854 pixels (~272 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz |
| Battery | ? | 1,940 mAh | 4,270 mAh | 1,540 mAh |
| Processor | ? | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | 2.4 GHz Snapdragon 7 Gen 1 | 800 MHz TI OMAP3610 |
| RAM | ? | 1.5 GB | 6 GB | ? |
| Storage | ? raw hardware | 16 GB * | 128 GB | ? raw hardware |
| Main Camera | - | 5 megapixel | 16 megapixel | 5 megapixel |
| Wide Camera | - | - | 16 megapixel | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 720p HD | 4K UHD | ? |
| Front Camera | - | 2 megapixel | 8 megapixel | - |
| Weight |
5.01 oz (142g) |
3.99 oz (113g) |
8.36 oz (237g) |
4.16 oz (118g) |
| Dimensions |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
5.19" x 2.62" x 0.35" (132 x 67 x 8.9 mm) |
6.06" x 2.95" x 0.57" (154 x 75 x 14.5 mm) |
4.21" x 2.32" x 0.53" (107 x 59 x 13.4 mm) |
| Platform / OS | BlackBerry OS | Android | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
5G: 2, 5, 48, 66, 77-A, 77-C, 78, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 46, 48, 66 WCDMA: 1, 2, 5, 8 |
WCDMA: 1, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | 1xRTT | LTE (Cat 3) | NR (5G) | HSPA 7.2 |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | - | Yes | Yes | - |
| Ruggedized | - | - | Yes | Yes |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| NFC | - | - | Yes | - |
| USB | Yes |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 6E (802.11 a,ac,ax,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Data & Network | ||||
| Dual-SIM | - | - | 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 |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| Miracast | - | Yes | Yes | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Wireless Charging | - | - | Yes | - |
| Voice | ||||
| HD Voice | - | Yes * | Yes | - |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| BlackBerry 7750 | LG K4 / Optimus Zone 3 / Rebel | Kyocera DuraForce Pro 3 | Motorola Defy (2010) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 7750 | LG K4 / Optimus Zone 3 / Rebel | Kyocera DuraForce Pro 3 | Motorola Defy (2010) |
