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| Phone | ZTE Agent | ZTE Z221 | LG Terra | BlackBerry 7750 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
2" diag. 4 : 3 |
2.4" diag. 4 : 3 |
? |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 900 mAh | 900 mAh | 950 mAh | ? |
| Processor | ? | ? | Qualcomm QSC6155 | ? |
| RAM | ? | ? | 256 MB | ? |
| Storage | ? raw hardware | 142 MB | 512 MB | ? raw hardware |
| Main Camera | 1 megapixel | Yes | 1 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | QCIF (176 x 144) | - | - |
| Front Camera | - | - | - | - |
| Weight |
3.53 oz (100g) |
3.24 oz (92g) |
3.88 oz (110g) |
5.01 oz (142g) |
| Dimensions |
4.3" x 1.9" x 0.6" (109 x 48 x 15.2 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
4.17" x 2.05" x 0.74" (106 x 52 x 18.8 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | BlackBerry OS |
| Network Bands |
CDMA: 850, 1700, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | 1xRTT | HSDPA 3.6 | EVDO rA | 1xRTT |
| Features | ||||
| GPS / Location | Yes | Yes | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | - | Yes | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | Yes | - |
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes |
| Contacts | ||||
| Picture ID | - | - | Yes | n/a |
| Ringer ID | Yes | - | Yes | n/a |
| Voice Dialing | - | - | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | Yes | Yes | Yes | n/a |
| Data & Network | ||||
| WAP / Web Browser | Yes | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | Yes | - | - | - |
| Messaging | ||||
| Email Client | Yes | Yes | Yes | n/a |
| Instant Messaging | Yes | Yes | - | n/a |
| MMS | Yes | Yes | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | Yes | - | - | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| To-Do List | - | - | - | n/a |
| Voice Memo | Yes | Yes | Yes | n/a |
| Software | ||||
| BREW | Yes | - | Yes | n/a |
| Games | Yes | Yes | Yes | n/a |
| Java (J2ME) | - | Yes | - | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | - | - | - | n/a |
| Speaker Phone | Yes | Yes | Yes | - |
| ZTE Agent | ZTE Z221 | LG Terra | BlackBerry 7750 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Agent | ZTE Z221 | LG Terra | BlackBerry 7750 |
