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| Phone | Motorola Backflip | Ericsson R278d | Sony Ericsson Xperia X10 mini pro (2010) | BlackBerry 7750 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.1" diag. 5 : 3 |
? |
2.6" diag. 4 : 3 |
? |
| Display Resolution & Type |
320 x 480 pixels (~186 ppi) LCD (TFT/TFD) |
101 x 40 pixels |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? |
| Battery | 1,400 mAh | ? | 930 mAh | ? |
| Processor | 528 MHz Qualcomm MSM7201a | ? | 600 MHz Qualcomm S1 MSM7227 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 5 megapixel | - | 5 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | CIF (352 x 288) | - | VGA (640 x 480) | - |
| Front Camera | - | - | - | - |
| Weight |
4.7 oz (133g) |
9.28 oz (263g) |
4.2 oz (119g) |
5.01 oz (142g) |
| Dimensions |
4.25" x 2.09" x 0.6" (108 x 53 x 15.3 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
3.5" x 2" x 0.7" (89 x 51 x 17.8 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
| Form Factor | Clamshell | Slab | Slide | Slab |
| Platform / OS | Android | (proprietary) | Android | BlackBerry OS |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
TDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | HSPA 7.2 | - | HSPA 7.2 | 1xRTT |
| Features | ||||
| GPS / Location | n/a | - | n/a | n/a |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- | - | - |
| Multiple Languages | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | - | - | Yes |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | - |
| USB |
Yes Micro-USB |
- |
Yes Micro-USB |
Yes |
| Wi-Fi |
Yes 802.11 b,g |
- | Yes | - |
| Contacts | ||||
| Picture ID | n/a | - | n/a | n/a |
| Ringer ID | n/a | - | n/a | n/a |
| Voice Dialing | n/a | - | n/a | n/a |
| Customization | ||||
| Custom Graphics | n/a | - | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | n/a |
| WAP / Web Browser | n/a | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | - |
| Messaging | ||||
| Email Client | n/a | - | n/a | n/a |
| Instant Messaging | n/a | - | n/a | n/a |
| MMS | n/a | - | n/a | n/a |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | n/a | - | n/a | n/a |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | n/a |
| Calculator | n/a | - | n/a | n/a |
| Calendar | n/a | - | n/a | n/a |
| To-Do List | n/a | - | n/a | n/a |
| Software | ||||
| Games | n/a | - | n/a | n/a |
| Java (J2ME) | n/a | - | n/a | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | - | n/a | n/a |
| Speaker Phone | Yes | - | Yes | - |
| Motorola Backflip | Ericsson R278d | Sony Ericsson Xperia X10 mini pro (2010) | BlackBerry 7750 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola Backflip | Ericsson R278d | Sony Ericsson Xperia X10 mini pro (2010) | BlackBerry 7750 |
