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| Phone | Nokia N81 | Kyocera DuraForce Pro 2 | Alcatel 7 / REVVL 2 Plus |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
5" diag. 16 : 9 |
6" diag. 18 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~402 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz |
| Battery | 1,050 mAh | 3,240 mAh | 4,000 mAh |
| Processor | 369 MHz ARM 11 | 2.2 GHz Qualcomm Snapdragon 630 | 2.5 GHz MediaTek Helio P23 (MT6763T) |
| RAM | ? | 4 GB | 3 GB * |
| Storage | 8 GB * | 64 GB | 32 GB |
| Main Camera | 2 megapixel | 13 megapixel | 12 megapixel |
| Wide Camera | - | 8 megapixel | - |
| Tele Camera | - | - | - |
| Video Capture | VGA (640 x 480) | 1080p HD | 1080p HD |
| Front Camera | - | 5 megapixel | 8 megapixel |
| Weight |
4.94 oz (140g) |
8.29 oz (235g) |
6.17 oz (175g) |
| Dimensions |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
5.9" x 2.96" x 0.55" (150 x 75 x 14 mm) |
6.38" x 2.95" x 0.34" (162 x 75 x 8.6 mm) |
| Platform / OS | S60 (Symbian) | Android | Android |
| Network Bands |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
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| Data Technology | EDGE | LTE (Cat 9) | LTE (Cat 6) |
| Features | |||
| Barometer | - | Yes | - |
| Fingerprint Reader | - |
Yes stand-alone |
Yes stand-alone |
| Flashlight | - | Yes | Yes |
| Ruggedized | - | Yes | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
Yes IPX2 (drip) |
| Accessibility | |||
| Hearing Aid Compatible | - | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes |
| Alerts | |||
| Ringer Profiles | Yes | - | - |
| Connectivity | |||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | - | Yes |
| NFC | - | Yes | - |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - | Yes | Yes |
| Memory | |||
| Memory Card Slot | Yes * | Yes | Yes |
| Music | |||
| FM Radio | Yes | - | Yes |
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Stereo Speakers | Yes | - | - |
| Photo & Video | |||
| Miracast | - | Yes | - |
| Power | |||
| Fast Charging | - | Yes | Yes |
| Wireless Charging | - | Yes | - |
| Voice | |||
| HD Voice | - | Yes | - |
| Push-To-Talk | Yes * | Yes | - |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Nokia N81 | Kyocera DuraForce Pro 2 | Alcatel 7 / REVVL 2 Plus | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia N81 | Kyocera DuraForce Pro 2 | Alcatel 7 / REVVL 2 Plus |
