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Phone Samsung Galaxy J2 / J2 Pure / J2 Dash Motorola KRZR K1m Amazon Fire Nokia 3555 BlackBerry 7750
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5" diag.
16 : 9
? 4.7" diag.
16 : 9
1.8" diag.
4 : 3
?
Display Resolution & Type 540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
Display Refresh 60 Hz ? ? ? ?
Battery 2,600 mAh 880 mAh 2,400 mAh ? ?
Processor 1.4 GHz Samsung Exynos 7570 ? 2.2 GHz Qualcomm Snapdragon 800 ? ?
RAM 2 GB ? 2 GB ? ?
Storage 16 GB ? raw hardware 32 GB * ? raw hardware ? raw hardware
Main Camera 8 megapixel 1 megapixel 13 megapixel Yes -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD ? 1080p HD QCIF (176 x 144) -
Front Camera 5 megapixel - 2 megapixel - -
Weight 5.43 oz
(154g)
3.63 oz
(103g)
5.64 oz
(160g)
3.32 oz
(94g)
5.01 oz
(142g)
Dimensions 5.65" x 2.84" x 0.35"
(144 x 72 x 8.9 mm)
4.06" x 1.73" x 0.67"
(103 x 44 x 17 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
3.94" x 1.75" x 0.83"
(100 x 44 x 21 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
Form Factor Slab Clamshell Slab Clamshell Slab
Platform / OS Android (proprietary) (proprietary) (proprietary) BlackBerry OS
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, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 4

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

Data Technology LTE (Cat 4) EVDO r0 LTE (Cat 4) WCDMA (UMTS) 1xRTT
Features 
Flashlight Yes - Yes - -
GPS / Location n/a Yes Yes - n/a
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes * -
Multiple Languages n/a Yes Yes Yes n/a
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display - Yes - Yes -
Ringer Profiles - Yes - Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Mobile Hotspot n/a - Yes - n/a
NFC - - Yes - -
USB Yes
Micro-USB
Yes
Mini-USB
Yes
Micro-USB
Yes Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID n/a Yes Yes Yes n/a
Ringer ID n/a Yes Yes Yes n/a
Voice Dialing n/a Yes Yes Yes n/a
Customization
Custom Graphics n/a Yes - Yes n/a
Custom Ringtones n/a Yes Yes Yes n/a
Real-Music Ringers n/a - - Yes n/a
Data & Network
Data Tethering n/a Yes Yes - n/a
WAP / Web Browser n/a Yes Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen Yes - Yes - -
Memory
Memory Card Slot Yes Yes - Yes -
Messaging
Email Client n/a - Yes - n/a
EMS / Picture Messaging n/a Yes - - n/a
Instant Messaging n/a Yes * - Yes * n/a
MMS n/a Yes Yes Yes n/a
Text Messaging Templates n/a Yes Yes Yes n/a
Music
Headphone Jack (3.5mm) Yes - Yes - -
Music Player n/a Yes Yes Yes n/a
Stereo Speakers - - Yes - -
Photo & Video
Miracast - - Yes - -
TV Output - - Yes - -
Productivity
Alarm n/a Yes Yes Yes n/a
Calculator n/a Yes Yes Yes n/a
Calendar n/a Yes Yes Yes n/a
To-Do List n/a - - Yes n/a
Voice Memo n/a Yes Yes Yes n/a
Software
BREW n/a Yes * - - n/a
Games n/a Yes Yes Yes n/a
Java (J2ME) n/a Yes * - Yes n/a
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) n/a - - Yes n/a
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  Samsung Galaxy J2 / J2 Pure / J2 Dash Motorola KRZR K1m Amazon Fire Nokia 3555 BlackBerry 7750
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy J2 / J2 Pure / J2 Dash Motorola KRZR K1m Amazon Fire Nokia 3555 BlackBerry 7750

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