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| Phone | ZTE Z331 | Apple iPhone 4 (CDMA) | Samsung Gusto |
| 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 |
2" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~117 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~102 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 950 mAh | ? | ? |
| Processor | ? | ? | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | 8 GB * | ? raw hardware |
| Main Camera | 3 megapixel | 5 megapixel | Yes |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | QCIF (176 x 144) | 720p HD | - |
| Front Camera | - | Yes | - |
| Weight |
4 oz (113g) |
4.8 oz (136g) |
3.27 oz (93g) |
| Dimensions |
3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
3.99" x 1.86" x 0.56" (101 x 47 x 14.2 mm) |
| Form Factor | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | iOS | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | HSDPA 3.6 | EVDO rA | 1xRTT |
| Features | |||
| GPS / Location | Yes | n/a | Yes |
| Accessibility | |||
| Adjustable Text Size | - | n/a | Yes |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Extra Display | Yes | - | Yes |
| Ringer Profiles | Yes | - | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | - |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||
| Picture ID | Yes | n/a | Yes |
| Ringer ID | Yes | n/a | Yes |
| Voice Dialing | - | n/a | Yes |
| Customization | |||
| Custom Graphics | Yes | n/a | Yes |
| Custom Ringtones | Yes | n/a | Yes |
| Real-Music Ringers | Yes | n/a | - |
| Data & Network | |||
| Data Tethering | Yes | n/a | - |
| WAP / Web Browser | Yes | n/a | Yes |
| Input | |||
| Predictive Text Entry | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | - | - |
| Messaging | |||
| Email Client | Yes | n/a | Yes |
| Instant Messaging | Yes | n/a | Yes |
| MMS | Yes | n/a | Yes |
| Text Messaging Templates | Yes | n/a | Yes |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | - |
| Music Player | Yes | n/a | - |
| Photo & Video | |||
| TV Output | - | Yes | - |
| Video Calling | - | n/a | - |
| Productivity | |||
| Alarm | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes |
| Voice Memo | Yes | n/a | Yes |
| Software | |||
| BREW | - | n/a | Yes |
| Games | Yes | n/a | Yes |
| Java (J2ME) | Yes | n/a | - |
| Voice | |||
| Headset Jack (2.5 mm) | - | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes |
| ZTE Z331 | Apple iPhone 4 (CDMA) | Samsung Gusto | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z331 | Apple iPhone 4 (CDMA) | Samsung Gusto |
