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| Phone | AT&T Maestro 3 | Kyocera 2135 | Apple iPhone 4 (CDMA) | ZTE Blade Vantage |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6.5" diag. 20 : 9 |
? |
3.5" diag. 5 : 3 |
5" diag. 16 : 9 |
| Display Resolution & Type |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
? |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 3,900 mAh | 925 mAh | ? | 2,500 mAh |
| Processor | 2 GHz MediaTek Helio A22 (MT6761) | ? | ? | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) |
| RAM | 3 GB | ? | ? | 2 GB |
| Storage | 32 GB | ? raw hardware | 8 GB * | 16 GB |
| Main Camera | 13 megapixel | - | 5 megapixel | 8 megapixel |
| Wide Camera | 5 megapixel | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | - | 720p HD | 720p HD |
| Front Camera | 5 megapixel | - | Yes | 2 megapixel |
| Weight |
6.24 oz (177g) |
4.7 oz (133g) |
4.8 oz (136g) |
5.29 oz (150g) |
| Dimensions |
6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm) |
5.07" x 1.89" x 1.02" (129 x 48 x 25.9 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | Android | (proprietary) | iOS | Android |
| Network Bands |
4G LTE: 2, 4, 5, 12, 14, 30 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 13 |
| Data Technology | LTE (Cat 4) | - | EVDO rA | LTE (Cat 4) |
| Features | ||||
| Barometer | Yes | - | - | - |
| Fingerprint Reader |
Yes stand-alone |
- | - | - |
| Flashlight | Yes | - | - | Yes |
| GPS / Location | n/a | - | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | n/a | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| Mobile Hotspot | n/a | - | n/a | n/a |
| USB |
Yes USB Type C |
- | Yes |
Yes Micro-USB |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | n/a | - | n/a | n/a |
| Ringer ID | n/a | - | n/a | n/a |
| Voice Dialing | n/a | - | n/a | n/a |
| Customization | ||||
| Changeable Body Plates | - | Yes | - | - |
| Custom Graphics | n/a | - | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | n/a |
| WAP / Web Browser | n/a | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | n/a |
| Side Keys | Yes | - | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Messaging | ||||
| Email Client | n/a | - | n/a | n/a |
| MMS | n/a | - | n/a | n/a |
| Text Messaging Templates | n/a | Yes | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes |
| Music Player | n/a | - | n/a | n/a |
| Photo & Video | ||||
| TV Output | - | - | Yes | - |
| Video Calling | n/a | - | n/a | n/a |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a |
| Calendar | n/a | - | n/a | n/a |
| Voice Memo | n/a | - | n/a | n/a |
| Software | ||||
| Games | n/a | Yes | n/a | n/a |
| Voice | ||||
| HD Voice | Yes | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | Yes | n/a | n/a |
| Speaker Phone | Yes | - | Yes | Yes |
| AT&T Maestro 3 | Kyocera 2135 | Apple iPhone 4 (CDMA) | ZTE Blade Vantage | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | AT&T Maestro 3 | Kyocera 2135 | Apple iPhone 4 (CDMA) | ZTE Blade Vantage |
