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| Phone | Nokia N81 | Motorola T720 (CDMA) | BlackBerry Z10 (CDMA) | BlackBerry Curve 8320 | Kyocera DuraPlus |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
4.2" diag. 5 : 3 |
? |
2" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
120 x 160 pixels LCD (STN) |
768 x 1280 pixels (~355 ppi) LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 1,050 mAh | ? | 1,800 mAh | 1,100 mAh | 1,650 mAh |
| Processor | 369 MHz ARM 11 | ? | 1.5 GHz Qualcomm Snapdragon S4 | ? | ? |
| RAM | ? | ? | 2 GB | ? | 128 MB |
| Storage | 8 GB * | ? raw hardware | 16 GB | ? raw hardware | 256 MB |
| Main Camera | 2 megapixel | - | 8 megapixel | 2 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | VGA (640 x 480) | - | 1080p HD | - | - |
| Front Camera | - | - | 2 megapixel | - | - |
| Weight |
4.94 oz (140g) |
3.95 oz (112g) |
4.78 oz (135g) |
3.92 oz (111g) |
6.67 oz (189g) |
| Dimensions |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
3.5" x 1.87" x 0.91" (89 x 47 x 23.1 mm) |
5.12" x 2.58" x 0.35" (130 x 66 x 9 mm) |
4.21" x 2.36" x 0.61" (107 x 60 x 15.5 mm) |
5.28" x 2.17" x 0.93" (134 x 55 x 23.6 mm) |
| Form Factor | Slide | Clamshell | Slab | Slab | Slab |
| Platform / OS | S60 (Symbian) | (proprietary) | BlackBerry 10 | BlackBerry OS | (proprietary) |
| Network Bands |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 13 WCDMA: 1, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 800, 850, 1900 |
| Data Technology | EDGE | 1xRTT | LTE (Cat 3) | EDGE | EVDO rA |
| Features | |||||
| Flashlight | - | - | - | - | Yes |
| GPS / Location | n/a | Yes | n/a | n/a | Yes |
| Ruggedized | - | - | - | - | Yes |
| Water-Resistant | - | - | - | - | Yes |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | n/a | n/a | Yes |
| Hearing Aid Compatible | - | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | - |
| Ringer Profiles | Yes | - | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | Yes | Yes |
| Mobile Hotspot | n/a | - | n/a | n/a | - |
| NFC | - | - | Yes | - | - |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi |
Yes 802.11 b,g |
- |
Yes 4 (802.11 a,b,g,n) |
Yes 802.11 b,g |
- |
| Contacts | |||||
| Picture ID | n/a | - | n/a | n/a | - |
| Ringer ID | n/a | Yes | n/a | n/a | Yes |
| Voice Dialing | n/a | Yes | n/a | n/a | Yes |
| Customization | |||||
| Changeable Body Plates | - | Yes | - | - | - |
| Custom Graphics | n/a | Yes | n/a | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | n/a | Yes |
| 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 | Yes |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen | - | - |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | Yes * | - | Yes | Yes | - |
| Messaging | |||||
| Email Client | n/a | Yes | n/a | n/a | - |
| EMS / Picture Messaging | n/a | Yes | n/a | n/a | - |
| Instant Messaging | n/a | - | n/a | n/a | - |
| MMS | n/a | - | n/a | n/a | Yes |
| Text Messaging Templates | n/a | Yes | n/a | n/a | Yes |
| Music | |||||
| FM Radio | Yes | - | - | - | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes | - |
| Music Player | n/a | - | n/a | n/a | - |
| Stereo Speakers | Yes | - | - | - | - |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| TV Output | - | - | Yes | - | - |
| Video Calling | n/a | - | n/a | n/a | - |
| Productivity | |||||
| Alarm | n/a | - | n/a | n/a | Yes |
| Calculator | n/a | Yes | n/a | n/a | Yes |
| Calendar | n/a | Yes | n/a | n/a | Yes |
| To-Do List | n/a | - | n/a | n/a | - |
| Voice Memo | n/a | Yes | n/a | n/a | Yes |
| Software | |||||
| BREW | n/a | Yes * | n/a | n/a | Yes |
| Games | n/a | Yes | n/a | n/a | Yes |
| Java (J2ME) | n/a | - | n/a | n/a | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | n/a | Yes | n/a | n/a | Yes |
| Push-To-Talk | Yes * | - | - | - | Yes |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| * Some versions only | |||||
| Nokia N81 | Motorola T720 (CDMA) | BlackBerry Z10 (CDMA) | BlackBerry Curve 8320 | Kyocera DuraPlus | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia N81 | Motorola T720 (CDMA) | BlackBerry Z10 (CDMA) | BlackBerry Curve 8320 | Kyocera DuraPlus |
