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| Phone | BlackBerry 7750 | Samsung Galaxy Attain 4G | HTC Droid Eris | Samsung Galaxy S 4 (GSM) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
3.5" diag. 5 : 3 |
3.2" diag. 5 : 3 |
5" diag. 16 : 9 |
| Display Resolution & Type |
240 x 240 pixels LCD (Color) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~441 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz |
| Battery | ? | 1,650 mAh | 1,300 mAh | 2,600 mAh |
| Processor | ? | ? | 528 MHz MSM7600 | 1.9 GHz Qualcomm Snapdragon 600 8064T |
| RAM | ? | 512 MB | ? | 2 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 16 GB * |
| Main Camera | - | 3 megapixel | 5 megapixel | 13 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | WVGA / 480p | CIF (352 x 288) | 1080p HD |
| Front Camera | - | 1 megapixel | - | 2 megapixel |
| Weight |
5.01 oz (142g) |
4.2 oz (119g) |
4.43 oz (126g) |
4.59 oz (130g) |
| Dimensions |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
4.57" x 2.38" x 0.46" (116 x 60 x 11.7 mm) |
4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm) |
5.38" x 2.75" x 0.31" (137 x 70 x 7.9 mm) |
| Platform / OS | BlackBerry OS | Android | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 |
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| Data Technology | 1xRTT | LTE (Cat 3) | EVDO rA | LTE (Cat 3) |
| Features | ||||
| Flashlight | - | - | - | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | - | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | Yes |
| NFC | - | - | - | Yes |
| USB | Yes |
Yes Micro-USB |
Yes Mini-USB |
Yes |
| Wi-Fi | - | Yes |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | - | Yes | Yes | Yes |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes |
| Photo & Video | ||||
| DLNA | - | Yes | - | Yes |
| Miracast | - | - | - | Yes |
| TV Output | - | - | - | Yes |
| Voice | ||||
| Speaker Phone | - | Yes | Yes | Yes |
| BlackBerry 7750 | Samsung Galaxy Attain 4G | HTC Droid Eris | Samsung Galaxy S 4 (GSM) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 7750 | Samsung Galaxy Attain 4G | HTC Droid Eris | Samsung Galaxy S 4 (GSM) |
