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| Phone | ZTE Prelude / Avail 2 | Samsung SCH-A310 | BlackBerry Curve 8320 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
? | ? |
| Display Resolution & Type |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (Grayscale) |
320 x 240 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? |
| Battery | 1,500 mAh | ? | 1,100 mAh |
| Processor | 1 GHz Qualcomm Snapdragon MSM7225A | ? | ? |
| RAM | 512 MB | ? | ? |
| Storage | 4 GB | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | - | 2 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | VGA (640 x 480) | - | - |
| Front Camera | - | - | - |
| Weight |
4.4 oz (125g) |
3.2 oz (91g) |
3.92 oz (111g) |
| Dimensions |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm) |
4.21" x 2.36" x 0.61" (107 x 60 x 15.5 mm) |
| Form Factor | Slab | Clamshell | Slab |
| Platform / OS | Android | (proprietary) | BlackBerry OS |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | HSPA 7.2 | 1xRTT | EDGE |
| Features | |||
| GPS / Location | n/a | Yes | n/a |
| Accessibility | |||
| Adjustable Text Size | n/a | - | n/a |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Extra Display | - | Yes | - |
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | - | Yes |
| USB | Yes | Yes | Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 802.11 b,g |
| Contacts | |||
| Picture ID | n/a | - | n/a |
| Ringer ID | n/a | - | n/a |
| Voice Dialing | n/a | Yes | n/a |
| Customization | |||
| Changeable Body Plates | - | Yes | - |
| Custom Graphics | n/a | - | n/a |
| Custom Ringtones | n/a | - | n/a |
| Real-Music Ringers | n/a | - | n/a |
| Data & Network | |||
| Data Tethering | n/a | Yes | n/a |
| WAP / Web Browser | n/a | Yes | n/a |
| Input | |||
| Predictive Text Entry | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes |
| Touch Screen |
Yes Capacitive |
- | - |
| Memory | |||
| Memory Card Slot | Yes | - | 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 |
| Music | |||
| Headphone Jack (3.5mm) | Yes | - | Yes |
| Music Player | n/a | - | n/a |
| Productivity | |||
| Alarm | n/a | - | n/a |
| Calculator | n/a | - | n/a |
| Calendar | n/a | Yes | n/a |
| To-Do List | n/a | - | n/a |
| Voice Memo | n/a | Yes | n/a |
| Software | |||
| Games | n/a | Yes | n/a |
| Java (J2ME) | n/a | - | n/a |
| Voice | |||
| Headset Jack (2.5 mm) | n/a | Yes | n/a |
| Speaker Phone | Yes | - | Yes |
| ZTE Prelude / Avail 2 | Samsung SCH-A310 | BlackBerry Curve 8320 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Prelude / Avail 2 | Samsung SCH-A310 | BlackBerry Curve 8320 |
