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| Phone | BlackBerry 7750 | Huawei Pinnacle | Ericsson R278d | Samsung Sidekick 4G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.4" diag. 4 : 3 |
? |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
240 x 240 pixels LCD (Color) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
101 x 40 pixels |
480 x 800 pixels (~267 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | ? | 900 mAh | ? | ? |
| Processor | ? | Qualcomm QSC6055 | ? | 1 GHz Samsung Hummingbird Cortex A8 |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 1 megapixel | - | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | - | WVGA / 480p |
| Front Camera | - | - | - | Yes |
| Weight |
5.01 oz (142g) |
3.53 oz (100g) |
9.28 oz (263g) |
5.7 oz (162g) |
| Dimensions |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
4.33" x 2.4" x 0.51" (110 x 61 x 13 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
5" x 2.42" x 0.6" (127 x 61 x 15.2 mm) |
| Form Factor | Slab | Slab | Slab | Slide |
| Platform / OS | BlackBerry OS | (proprietary) | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1700, 1900 |
TDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | 1xRTT | - | HSPA+ 21 |
| Features | ||||
| GPS / Location | n/a | Yes | - | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | - | Yes |
| Mobile Hotspot | n/a | - | - | n/a |
| USB | Yes |
Yes Micro-USB |
- |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | - | n/a |
| Ringer ID | n/a | Yes | - | n/a |
| Voice Dialing | n/a | - | - | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | - | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a |
| Real-Music Ringers | n/a | - | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | - | Yes | n/a |
| WAP / Web Browser | n/a | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | - | Yes |
| Touch Screen | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | n/a | Yes | - | n/a |
| Instant Messaging | n/a | Yes | - | n/a |
| MMS | n/a | Yes | - | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | n/a | Yes | - | n/a |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | - | n/a |
| Calendar | n/a | Yes | - | n/a |
| To-Do List | n/a | - | - | n/a |
| Voice Memo | n/a | Yes | - | n/a |
| Software | ||||
| BREW | n/a | Yes | - | n/a |
| Games | n/a | Yes | - | n/a |
| Java (J2ME) | n/a | - | - | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | - | - | n/a |
| Speaker Phone | - | Yes | - | Yes |
| BlackBerry 7750 | Huawei Pinnacle | Ericsson R278d | Samsung Sidekick 4G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 7750 | Huawei Pinnacle | Ericsson R278d | Samsung Sidekick 4G |
