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| Phone | Kyocera DuraPlus | Nokia Lumia 810 | ZTE Citrine | BlackBerry 7750 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
4.3" diag. 5 : 3 |
4" diag. 5 : 3 |
? |
| Display Resolution & Type |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) AMOLED |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 1,650 mAh | 1,800 mAh | 1,650 mAh | ? |
| Processor | ? | 1.5 GHz Qualcomm Snapdragon | ? | ? |
| RAM | 128 MB | 1 GB | 1 GB | ? |
| Storage | 256 MB | 8 GB | 8 GB | ? raw hardware |
| Main Camera | - | 8 megapixel | 5 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 1080p HD | ? | - |
| Front Camera | - | 1 megapixel | Yes | - |
| Weight |
6.67 oz (189g) |
5.11 oz (145g) |
4.82 oz (137g) |
5.01 oz (142g) |
| Dimensions |
5.28" x 2.17" x 0.93" (134 x 55 x 23.6 mm) |
5" x 2.69" x 0.44" (127 x 68 x 11.2 mm) |
4.92" x 2.56" x 0.41" (125 x 65 x 10.4 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Windows | Android | BlackBerry OS |
| Network Bands |
CDMA: 800, 850, 1900 |
WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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| Data Technology | EVDO rA | HSPA+ 42 | LTE (Cat 3) | 1xRTT |
| Features | ||||
| Flashlight | Yes | - | Yes | - |
| GPS / Location | Yes | n/a | n/a | n/a |
| Ruggedized | Yes | - | - | - |
| Water-Resistant | Yes | - | - | - |
| Accessibility | ||||
| Adjustable Text Size | Yes | n/a | n/a | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| Mobile Hotspot | - | n/a | n/a | n/a |
| NFC | - | Yes | - | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
Yes |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | - | n/a | n/a | n/a |
| Ringer ID | Yes | n/a | n/a | n/a |
| Voice Dialing | Yes | n/a | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a | n/a |
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | n/a |
| WAP / Web Browser | Yes | n/a | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes | - |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | - | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a |
| MMS | Yes | n/a | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | - | n/a | n/a | n/a |
| Power | ||||
| Wireless Charging | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a |
| Calendar | Yes | n/a | n/a | n/a |
| To-Do List | - | n/a | n/a | n/a |
| Voice Memo | Yes | n/a | n/a | n/a |
| Software | ||||
| BREW | Yes | n/a | n/a | n/a |
| Games | Yes | n/a | n/a | n/a |
| Java (J2ME) | Yes | n/a | n/a | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a |
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | - |
| Kyocera DuraPlus | Nokia Lumia 810 | ZTE Citrine | BlackBerry 7750 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Kyocera DuraPlus | Nokia Lumia 810 | ZTE Citrine | BlackBerry 7750 |
