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| Phone | BlackBerry 7750 | BlackBerry Curve 3G 9330 | Coolpad Quattro 4G | HTC Droid Eris |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.5" diag. 4 : 3 |
4" diag. 5 : 3 |
3.2" diag. 5 : 3 |
| Display Resolution & Type |
240 x 240 pixels LCD (Color) |
320 x 240 pixels (~160 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz |
| Battery | ? | 1,150 mAh | 1,600 mAh | 1,300 mAh |
| Processor | ? | ? | ? | 528 MHz MSM7600 |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 512 MB | ? raw hardware |
| Main Camera | - | 2 megapixel | 3 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | VGA (640 x 480) | CIF (352 x 288) |
| Front Camera | - | - | Yes | - |
| Weight |
5.01 oz (142g) |
3.7 oz (105g) |
3.31 oz (94g) |
4.43 oz (126g) |
| Dimensions |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
4.29" x 2.36" x 0.55" (109 x 60 x 14 mm) |
4.96" x 2.6" x 0.51" (126 x 66 x 13 mm) |
4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm) |
| Platform / OS | BlackBerry OS | BlackBerry OS | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 |
| Data Technology | 1xRTT | EVDO r0 | LTE (Cat 3) | EVDO rA |
| Features | ||||
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| USB | Yes |
Yes Micro-USB |
Yes |
Yes Mini-USB |
| Wi-Fi | - |
Yes 802.11 b,g |
Yes |
Yes 802.11 b,g |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | - | - |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes |
| Voice | ||||
| Speaker Phone | - | Yes | Yes | Yes |
| BlackBerry 7750 | BlackBerry Curve 3G 9330 | Coolpad Quattro 4G | HTC Droid Eris | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 7750 | BlackBerry Curve 3G 9330 | Coolpad Quattro 4G | HTC Droid Eris |
