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Phone Amazon Fire Nokia 3606 BlackBerry Key2 Nuu F4L Huawei M750
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size 4.7" diag.
16 : 9
2" diag.
4 : 3
4.5" diag.
5 : 3
2.8" diag.
4 : 3
2.8" diag.
4 : 3
Display Resolution & Type 720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (STN)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery 2,400 mAh 700 mAh 3,500 mAh 1,350 mAh 1,150 mAh
Processor 2.2 GHz Qualcomm Snapdragon 800 ? 2.2 GHz Qualcomm Snapdragon 660 1.1 GHz MediaTek MT6731 ?
RAM 2 GB ? 6 GB 512 MB ?
Storage 32 GB * ? raw hardware 64 GB * 4 GB ? raw hardware
Main Camera 13 megapixel 1 megapixel 12 megapixel 2 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - 12 megapixel - -
Video Capture 1080p HD - 4K UHD 720p HD -
Front Camera 2 megapixel - 8 megapixel Yes -
Weight 5.64 oz
(160g)
3.1 oz
(88g)
5.93 oz
(168g)
4.5 oz
(128g)
3.92 oz
(111g)
Dimensions 5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
3.5" x 1.9" x 0.6"
(89 x 48 x 15.2 mm)
5.96" x 2.82" x 0.33"
(151 x 72 x 8.4 mm)
4.31" x 2.27" x 0.83"
(109 x 58 x 21 mm)
4.21" x 2.25" x 0.59"
(107 x 57 x 14.9 mm)
Form Factor Slab Clamshell Slab Clamshell Slab
Platform / OS (proprietary) (proprietary) Android (proprietary) (proprietary)
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 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, 13, 66

WCDMA: 2, 4, 5

GSM: 850, 1900

CDMA: 850, 1700, 1900

Data Technology LTE (Cat 4) 1xRTT LTE (Cat 11) LTE (Cat 4) 1xRTT
Features 
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight Yes - Yes Yes -
GPS / Location Yes Yes n/a Yes Yes
Accessibility
Adjustable Text Size - Yes n/a Yes -
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages Yes Yes n/a Yes -
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes - Yes -
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Yes
Classic Audio
Mobile Hotspot Yes - n/a - -
NFC Yes - Yes - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Yes
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes - n/a Yes Yes
Ringer ID Yes - n/a Yes Yes
Voice Dialing Yes Yes n/a - -
Customization
Custom Graphics - Yes n/a Yes Yes
Custom Ringtones Yes Yes n/a - Yes
Data & Network
Data Tethering Yes - n/a - -
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes -
Side Keys Yes Yes Yes Yes Yes
Stylus - - - - Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen Yes - Yes - Yes
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client Yes - n/a Yes Yes
Instant Messaging - - n/a Yes Yes
MMS Yes Yes n/a Yes Yes
Text Messaging Templates Yes - n/a Yes Yes
Music
FM Radio - Yes Yes Yes -
Headphone Jack (3.5mm) Yes - Yes Yes Yes
Music Player Yes Yes n/a Yes Yes
Stereo Speakers Yes - - - -
Photo & Video
Miracast Yes - - - -
TV Output Yes - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm Yes Yes n/a Yes Yes
Calculator Yes Yes n/a Yes Yes
Calendar Yes Yes n/a Yes Yes
To-Do List - Yes n/a - -
Voice Memo Yes Yes n/a Yes Yes
Software
BREW - Yes n/a - Yes
Games Yes Yes n/a - Yes
Voice
HD Voice Yes - Yes Yes -
Headset Jack (2.5 mm) - Yes n/a - -
Speaker Phone Yes Yes Yes Yes Yes
  Amazon Fire Nokia 3606 BlackBerry Key2 Nuu F4L Huawei M750
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Amazon Fire Nokia 3606 BlackBerry Key2 Nuu F4L Huawei M750

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