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| Phone | Apple iPhone 4 (CDMA) | Siemens SX1 | Amazon Fire | Kyocera DuraXE Epic / DuraXA Equip |
| Current U.S. Carriers | (none) | (none) | (none) | US Cellular |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
? |
4.7" diag. 16 : 9 |
2.6" diag. 4 : 3 |
| Display Resolution & Type |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
720 x 1280 pixels (~312 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | ? |
| Battery | ? | 1,000 mAh | 2,400 mAh | 1,770 mAh |
| Processor | ? | ? | 2.2 GHz Qualcomm Snapdragon 800 | 1.2 GHz Qualcomm Snapdragon 215 |
| RAM | ? | ? | 2 GB | 2 GB |
| Storage | 8 GB * | ? raw hardware | 32 GB * | 16 GB |
| Main Camera | 5 megapixel | Yes | 13 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | QCIF (176 x 144) | 1080p HD | 720p HD |
| Front Camera | Yes | - | 2 megapixel | - |
| Weight |
4.8 oz (136g) |
4.09 oz (116g) |
5.64 oz (160g) |
6.8 oz (193g) |
| Dimensions |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
4.29" x 2.2" x 0.75" (109 x 56 x 19.1 mm) |
5.5" x 2.6" x 0.35" (140 x 66 x 8.9 mm) |
4.36" x 2.22" x 1.07" (111 x 56 x 27.2 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell |
| Platform / OS | iOS | S60 (Symbian) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 14, 66 WCDMA: 1, 2, 4, 5 |
| Data Technology | EVDO rA | GPRS | LTE (Cat 4) | LTE (Cat 4) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Flashlight | - | - | Yes | Yes |
| GPS / Location | n/a | n/a | Yes | Yes |
| Ruggedized | - | - | - | Yes |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | - | Yes |
| Hearing Aid Compatible | Yes | - | Yes | Yes |
| Multiple Languages | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | Yes | - | - |
| Mobile Hotspot | n/a | n/a | Yes | Yes |
| NFC | - | - | Yes | - |
| USB | Yes | Yes |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | Yes |
| Ringer ID | n/a | n/a | Yes | Yes |
| Voice Dialing | n/a | n/a | Yes | Yes |
| Customization | ||||
| Custom Graphics | n/a | n/a | - | Yes |
| Custom Ringtones | n/a | n/a | Yes | Yes |
| Real-Music Ringers | n/a | n/a | - | Yes |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | Yes |
| WAP / Web Browser | n/a | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | Yes | - | Yes | - |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | Yes | Yes |
| MMS | n/a | n/a | Yes | Yes |
| Text Messaging Templates | n/a | n/a | Yes | Yes |
| Music | ||||
| FM Radio | - | Yes | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes |
| Music Player | n/a | n/a | Yes | Yes |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| Miracast | - | - | Yes | - |
| TV Output | Yes | - | Yes | - |
| Video Calling | n/a | n/a | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | Yes |
| Calculator | n/a | n/a | Yes | Yes |
| Calendar | n/a | n/a | Yes | Yes |
| To-Do List | n/a | n/a | - | - |
| Voice Memo | n/a | n/a | Yes | Yes |
| Software | ||||
| Games | n/a | n/a | Yes | - |
| Java (J2ME) | n/a | n/a | - | - |
| Voice | ||||
| HD Voice | - | - | Yes | Yes |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Apple iPhone 4 (CDMA) | Siemens SX1 | Amazon Fire | Kyocera DuraXE Epic / DuraXA Equip | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Apple iPhone 4 (CDMA) | Siemens SX1 | Amazon Fire | Kyocera DuraXE Epic / DuraXA Equip |
