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| Phone | ZTE Z431 / Altair | Motorola V177 | HTC Imagio | LG eXpo GW820 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
3.6" diag. 5 : 3 |
3.2" diag. 5 : 3 |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
480 x 800 pixels (~259 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~292 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,000 mAh | ? | 1,500 mAh | 1,500 mAh |
| Processor | ? | ? | 528 MHz MSM7600 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | - | 5 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | - | VGA (640 x 480) | ? |
| Front Camera | - | - | - | - |
| Weight |
3.52 oz (100g) |
3.67 oz (104g) |
5.25 oz (149g) |
5.2 oz (147g) |
| Dimensions |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
3.48" x 1.88" x 1" (88 x 48 x 25.4 mm) |
4.65" x 2.43" x 0.55" (118 x 62 x 14 mm) |
4.45" x 2.16" x 0.63" (113 x 55 x 16 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Windows Mobile Professional | Windows Mobile Professional |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | ? | GPRS | EVDO rA | HSPA 7.2 |
| Features | ||||
| Fingerprint Reader | - | - | - | Yes |
| GPS / Location | Yes | - | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | n/a |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Ringer Profiles | Yes | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| USB |
Yes Micro-USB |
- |
Yes Mini-USB |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 802.11 b,g |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | Yes | - | n/a | n/a |
| Ringer ID | Yes | - | n/a | n/a |
| Voice Dialing | - | - | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a |
| Real-Music Ringers | Yes | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | n/a |
| WAP / Web Browser | Yes | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | n/a |
| Side Keys | Yes | - | Yes | Yes |
| Stylus | - | - | Yes | - |
| Text Keyboard, Hardware | Yes | - | - | Yes |
| Touch Screen | - | - |
Yes Resistive |
Yes Resistive |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | - | n/a | n/a |
| EMS / Picture Messaging | - | Yes | n/a | n/a |
| Instant Messaging | - | Yes | n/a | n/a |
| MMS | Yes | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a |
| Music | ||||
| FM Radio | - | - | Yes | Yes |
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | Yes | - | n/a | n/a |
| Photo & Video | ||||
| TV Output | - | - | Yes | Yes |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | 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 | ||||
| BREW | Yes | - | n/a | n/a |
| Games | Yes | Yes | n/a | n/a |
| Java (J2ME) | - | - | n/a | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | - | Yes | n/a | n/a |
| Push-To-Talk | - | Yes * | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| ZTE Z431 / Altair | Motorola V177 | HTC Imagio | LG eXpo GW820 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z431 / Altair | Motorola V177 | HTC Imagio | LG eXpo GW820 |
