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| Phone | BlackBerry 7750 | Samsung Galaxy Attain 4G | Nokia 1661 | Ericsson R520 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
3.5" diag. 5 : 3 |
1.8" diag. 4 : 3 |
? |
| Display Resolution & Type |
240 x 240 pixels LCD (Color) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~114 ppi) LCD (TFT/TFD) |
? |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | ? | 1,650 mAh | 860 mAh | ? |
| Processor | ? | ? | ? | ? |
| RAM | ? | 512 MB | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 3 megapixel | - | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | WVGA / 480p | - | - |
| Front Camera | - | 1 megapixel | - | - |
| Weight |
5.01 oz (142g) |
4.2 oz (119g) |
2.9 oz (82g) |
4.23 oz (120g) |
| 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) |
4.25" x 1.8" x 0.53" (108 x 46 x 13.5 mm) |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | BlackBerry OS | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
GSM: 850, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | 1xRTT | LTE (Cat 3) | - | GPRS |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | n/a | n/a | - | - |
| Accessibility | ||||
| Hearing Aid Compatible | - | Yes | - | - |
| Multiple Languages | n/a | n/a | - | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | - |
| Alerts | ||||
| Ringer Profiles | Yes | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth |
- |
Yes Classic Audio |
- |
Yes HSP, Sync, OPP, DUN |
| Infrared (IR) | - | - | - | Yes |
| USB | Yes |
Yes Micro-USB |
- | - |
| Wi-Fi | - | Yes | - | - |
| Contacts | ||||
| Picture ID | n/a | n/a | - | - |
| Ringer ID | n/a | n/a | - | - |
| Voice Dialing | n/a | n/a | - | Yes |
| Customization | ||||
| Custom Graphics | n/a | n/a | - | - |
| Custom Ringtones | n/a | n/a | - | Yes |
| Real-Music Ringers | n/a | n/a | - | - |
| Data & Network | ||||
| Data Tethering | n/a | n/a | - | Yes |
| WAP / Web Browser | n/a | n/a | - | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | - | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | - | Yes | - | - |
| Memory | ||||
| Memory Card Slot | - | Yes | - | - |
| Messaging | ||||
| Email Client | n/a | n/a | - | - |
| Instant Messaging | n/a | n/a | - | - |
| MMS | n/a | n/a | - | - |
| Text Messaging Templates | n/a | n/a | - | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | n/a | n/a | - | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | Yes |
| Calculator | n/a | n/a | Yes | Yes |
| Calendar | n/a | n/a | Yes | Yes |
| To-Do List | n/a | n/a | - | - |
| Voice Memo | n/a | n/a | Yes | Yes |
| Software | ||||
| Games | n/a | n/a | Yes | Yes |
| Java (J2ME) | n/a | n/a | - | - |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | n/a | Yes | - |
| Speaker Phone | - | Yes | Yes | Yes |
| BlackBerry 7750 | Samsung Galaxy Attain 4G | Nokia 1661 | Ericsson R520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 7750 | Samsung Galaxy Attain 4G | Nokia 1661 | Ericsson R520 |
