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| Phone | Nokia N81 | BlackBerry Key2 | Cricket Debut Smart |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
4.5" diag. 5 : 3 |
5.5" diag. 18 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
1080 x 1620 pixels (~433 ppi) LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz |
| Battery | 1,050 mAh | 3,500 mAh | 2,500 mAh |
| Processor | 369 MHz ARM 11 | 2.2 GHz Qualcomm Snapdragon 660 | 2 GHz MediaTek Helio A22 (MT6761V) |
| RAM | ? | 6 GB | 3 GB |
| Storage | 8 GB * | 64 GB * | 32 GB |
| Main Camera | 2 megapixel | 12 megapixel | 5 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | 12 megapixel | - |
| Video Capture | VGA (640 x 480) | 4K UHD | 1080p HD |
| Front Camera | - | 8 megapixel | 5 megapixel |
| Weight |
4.94 oz (140g) |
5.93 oz (168g) |
5.64 oz (160g) |
| Dimensions |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
5.96" x 2.82" x 0.33" (151 x 72 x 8.4 mm) |
5.87" x 2.83" x 0.38" (149 x 72 x 9.7 mm) |
| Platform / OS | S60 (Symbian) | Android | Android |
| Network Bands |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 28, 29, 30, 38, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 14, 30 WCDMA: 2, 4, 5 |
| Data Technology | EDGE | LTE (Cat 11) | LTE (Cat 4) |
| Features | |||
| Fingerprint Reader | - |
Yes stand-alone |
- |
| Flashlight | - | Yes | Yes |
| Accessibility | |||
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | - | Yes | - |
| Alerts | |||
| Ringer Profiles | Yes | - | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | 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 5 (802.11 a,ac,b,g,n) |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes * | Yes | Yes |
| Music | |||
| FM Radio | Yes | Yes | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Stereo Speakers | Yes | - | - |
| Photo & Video | |||
| TV Output | - | Yes | - |
| Power | |||
| Fast Charging | - | Yes | - |
| Voice | |||
| HD Voice | - | Yes | Yes |
| Push-To-Talk | Yes * | - | - |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Nokia N81 | BlackBerry Key2 | Cricket Debut Smart | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia N81 | BlackBerry Key2 | Cricket Debut Smart |
