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Phone LG G Flex (Sprint) Samsung DoubleTime LG K3 Samsung Jack i637
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6" diag.
16 : 9
3.2" diag.
5 : 3
4.5" diag.
16 : 9
2.4" diag.
4 : 3
Display Resolution & Type 720 x 1280 pixels
(~245 ppi)
AMOLED
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 60 Hz ?
Battery 3,500 mAh 1,200 mAh 1,940 mAh 1,480 mAh
Processor 2.3 GHz Qualcomm Snapdragon 800 MSM8974 600 MHz Qualcomm 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ?
RAM 2 GB ? 1 GB ?
Storage 32 GB ? raw hardware 8 GB ? raw hardware
Main Camera 13 megapixel 3 megapixel 5 megapixel 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 4K UHD QVGA (320 x 240) 720p HD ?
Front Camera 2 megapixel - Yes -
Weight 6.24 oz
(177g)
5.22 oz
(148g)
4.6 oz
(130g)
3.6 oz
(102g)
Dimensions 6.32" x 3.21" x 0.31"
(161 x 82 x 7.9 mm)
4.45" x 2.44" x 0.59"
(113 x 62 x 15 mm)
5.24" x 2.67" x 0.37"
(133 x 68 x 9.4 mm)
4.4" x 2.4" x 0.5"
(112 x 61 x 12.7 mm)
Platform / OS Android Android Android Windows Mobile Standard
Network Bands

4G LTE: 25, 26, 41

WCDMA: 1, 2, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 25, 26, 41

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) HSPA 7.2 LTE (Cat 4) HSDPA 3.6
Features 
Flashlight Yes - Yes -
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) Yes - - -
NFC Yes - - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - Yes
Touch Screen Yes Yes Yes -
Memory
Memory Card Slot - Yes Yes Yes
Music
Headphone Jack (3.5mm) Yes Yes Yes -
Photo & Video
DLNA Yes - - -
Miracast Yes - - -
TV Output Yes - - -
Voice
HD Voice Yes - Yes -
Speaker Phone Yes Yes Yes Yes
  LG G Flex (Sprint) Samsung DoubleTime LG K3 Samsung Jack i637
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG G Flex (Sprint) Samsung DoubleTime LG K3 Samsung Jack i637

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