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| Phone | Samsung M400 | BlackBerry 7750 | ZTE Prelude / Avail 2 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz |
| Battery | 1,000 mAh | ? | 1,500 mAh |
| Processor | 400 MHz Qualcomm QSC6155 | ? | 1 GHz Qualcomm Snapdragon MSM7225A |
| RAM | 128 MB | ? | 512 MB |
| Storage | 256 MB | ? raw hardware | 4 GB |
| Main Camera | 1 megapixel | - | 2 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | - | VGA (640 x 480) |
| Front Camera | - | - | - |
| Weight |
3.7 oz (105g) |
5.01 oz (142g) |
4.4 oz (125g) |
| Dimensions |
3.8" x 1.9" x 0.7" (97 x 48 x 17.8 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
| Form Factor | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | BlackBerry OS | Android |
| Network Bands |
CDMA: 800, 850, 1900 |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 1900 |
| Data Technology | 1xRTT | 1xRTT | HSPA 7.2 |
| Features | |||
| GPS / Location | Yes | n/a | n/a |
| Accessibility | |||
| Adjustable Text Size | Yes | n/a | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | Yes | - | - |
| Ringer Profiles | - | Yes | - |
| Connectivity | |||
| Bluetooth | Yes | - | Yes |
| USB |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | |||
| Picture ID | Yes | n/a | n/a |
| Ringer ID | Yes | n/a | n/a |
| Voice Dialing | Yes | n/a | n/a |
| Customization | |||
| Custom Graphics | Yes | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a |
| Real-Music Ringers | Yes | n/a | n/a |
| Data & Network | |||
| WAP / Web Browser | Yes | n/a | n/a |
| Input | |||
| Predictive Text Entry | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - |
| Touch Screen | - | - |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | - | - | Yes |
| Messaging | |||
| Email Client | - | n/a | n/a |
| Instant Messaging | - | n/a | n/a |
| MMS | Yes | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a |
| Music | |||
| Headphone Jack (3.5mm) | Yes | - | Yes |
| Music Player | - | n/a | n/a |
| Productivity | |||
| Alarm | Yes | n/a | n/a |
| Calculator | Yes | n/a | n/a |
| Calendar | Yes | n/a | n/a |
| To-Do List | - | n/a | n/a |
| Voice Memo | Yes | n/a | n/a |
| Software | |||
| Games | Yes | n/a | n/a |
| Java (J2ME) | - | n/a | n/a |
| Voice | |||
| Headset Jack (2.5 mm) | - | n/a | n/a |
| Speaker Phone | Yes | - | Yes |
| Samsung M400 | BlackBerry 7750 | ZTE Prelude / Avail 2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung M400 | BlackBerry 7750 | ZTE Prelude / Avail 2 |
