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| Phone | LG Quantum | BlackBerry 7750 | LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
? |
6.1" diag. 19.5 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~267 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz |
| Battery | 1,500 mAh | ? | 3,500 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S1 QSD8250 | ? | 2 GHz MediaTek Helio P22 (MT6762) |
| RAM | ? | ? | 3 GB * |
| Storage | 16 GB | ? raw hardware | 32 GB |
| Main Camera | 5 megapixel | - | 13 megapixel |
| Wide Camera | - | - | 5 megapixel |
| Tele Camera | - | - | - |
| Video Capture | 720p HD | - | 1080p HD |
| Front Camera | - | - | 8 megapixel |
| Weight |
6.21 oz (176g) |
5.01 oz (142g) |
6.1 oz (173g) |
| Dimensions |
4.7" x 2.34" x 0.6" (119 x 59 x 15.2 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
6.15" x 2.92" x 0.34" (156 x 74 x 8.6 mm) |
| Platform / OS | Windows | BlackBerry OS | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSPA 7.2 | 1xRTT | LTE (Cat 6) |
| Features | |||
| Fingerprint Reader | - | - |
Yes stand-alone |
| Flashlight | - | - | Yes |
| Accessibility | |||
| Hearing Aid Compatible | - | - |
Yes M3, 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 a,b,g,n) |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | - |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | - | - | Yes |
| Music | |||
| FM Radio | Yes | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | Yes |
| Voice | |||
| HD Voice | - | - | Yes |
| Speaker Phone | Yes | - | Yes |
| LG Quantum | BlackBerry 7750 | LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG Quantum | BlackBerry 7750 | LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus |
