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