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Phone Samsung Galaxy J2 / J2 Pure / J2 Dash BlackBerry 7750 Samsung Galaxy S6 (GSM) HTC G2 BlackBerry Key2
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5" diag.
16 : 9
? 5.1" diag.
16 : 9
3.7" diag.
5 : 3
4.5" diag.
5 : 3
Display Resolution & Type 540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
1440 x 2560 pixels
(~576 ppi)
AMOLED
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz 60 Hz 60 Hz
Battery 2,600 mAh ? 2,550 mAh 1,300 mAh 3,500 mAh
Processor 1.4 GHz Samsung Exynos 7570 ? 2.1 GHz Samsung Exynos 7420 800 MHz Qualcomm S2 MSM7230 2.2 GHz Qualcomm Snapdragon 660
RAM 2 GB ? 3 GB ? 6 GB
Storage 16 GB ? raw hardware 32 GB * ? raw hardware 64 GB *
Main Camera 8 megapixel - 16 megapixel 5 megapixel 12 megapixel
Wide Camera - - - - -
Tele Camera - - - - 12 megapixel
Video Capture 1080p HD - 4K UHD 720p HD 4K UHD
Front Camera 5 megapixel - 5 megapixel - 8 megapixel
Weight 5.43 oz
(154g)
5.01 oz
(142g)
4.87 oz
(138g)
6.5 oz
(184g)
5.93 oz
(168g)
Dimensions 5.65" x 2.84" x 0.35"
(144 x 72 x 8.9 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
5.96" x 2.82" x 0.33"
(151 x 72 x 8.4 mm)
Platform / OS Android BlackBerry OS Android Android Android
Network Bands

4G LTE: 2, 3, 4, 5, 7, 12, 14, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 4

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

Data Technology LTE (Cat 4) 1xRTT LTE (Cat 6) HSPA 14.4 LTE (Cat 11)
Features 
Fingerprint Reader - - Yes - Yes
stand-alone
Flashlight Yes - Yes - Yes
VR-ready - - Yes - -
Accessibility
Hearing Aid Compatible Yes - Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
-
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - Yes - -
MirrorLink - - Yes - -
NFC - - Yes - Yes
USB Yes
Micro-USB
Yes Yes
Micro-USB
Yes Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Input
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - Yes Yes
Touch Screen Yes - Yes Yes Yes
Memory
Memory Card Slot Yes - - Yes Yes
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) Yes - Yes Yes Yes
Photo & Video
DLNA - - Yes - -
Miracast - - Yes - -
TV Output - - Yes - Yes
Power
Fast Charging - - Yes - Yes
Wireless Charging - - Yes - -
Voice
HD Voice - - Yes - Yes
Speaker Phone Yes - Yes Yes Yes
  Samsung Galaxy J2 / J2 Pure / J2 Dash BlackBerry 7750 Samsung Galaxy S6 (GSM) HTC G2 BlackBerry Key2
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy J2 / J2 Pure / J2 Dash BlackBerry 7750 Samsung Galaxy S6 (GSM) HTC G2 BlackBerry Key2

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