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Phone LG K4 / Optimus Zone 3 / Rebel Samsung Galaxy Note 4 (CDMA) ZTE Aspect LG G Flex (U.S. GSM)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
5.7" diag.
16 : 9
2.4" diag.
4 : 3
6" diag.
16 : 9
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~515 ppi)
AMOLED
320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~245 ppi)
AMOLED
Display Refresh 60 Hz 60 Hz ? 60 Hz
Battery 1,940 mAh 3,220 mAh 1,000 mAh 3,500 mAh
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) 2.7 GHz Qualcomm Snapdragon 805 230 MHz Qualcomm QSC6270 2.3 GHz Qualcomm Snapdragon 800
RAM 1.5 GB 3 GB 128 MB 2 GB
Storage 16 GB * 32 GB 256 MB 32 GB
Main Camera 5 megapixel 16 megapixel 2 megapixel 13 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 720p HD 4K UHD QVGA (320 x 240) 4K UHD
Front Camera 2 megapixel 4 megapixel - 2 megapixel
Weight 3.99 oz
(113g)
6.21 oz
(176g)
3.7 oz
(105g)
6.24 oz
(177g)
Dimensions 5.19" x 2.62" x 0.35"
(132 x 67 x 8.9 mm)
6.04" x 3.09" x 0.33"
(154 x 79 x 8.5 mm)
4.55" x 2.4" x 0.45"
(116 x 61 x 11.4 mm)
6.32" x 3.21" x 0.31"
(160 x 82 x 8 mm)
Form Factor Slab Slab Slab Slab
Platform / OS Android Android (proprietary) Android
Network Bands

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 4, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 4

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 17

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

Data Technology LTE (Cat 3) LTE (Cat 4) WCDMA (UMTS) LTE (Cat 4)
Features 
Fingerprint Reader - Yes - -
Flashlight Yes Yes - Yes
GPS / Location n/a n/a Yes n/a
Accessibility
Adjustable Text Size n/a n/a - n/a
Hearing Aid Compatible Yes Yes Yes Yes
Multiple Languages n/a n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) - Yes - Yes
MirrorLink - Yes - -
Mobile Hotspot n/a n/a - n/a
NFC - Yes - Yes
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a n/a Yes n/a
Ringer ID n/a n/a Yes n/a
Voice Dialing n/a n/a - n/a
Customization
Custom Graphics n/a n/a Yes n/a
Custom Ringtones n/a n/a Yes n/a
Real-Music Ringers n/a n/a Yes n/a
Data & Network
Data Tethering n/a n/a - n/a
WAP / Web Browser n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes
Stylus - Yes - -
Text Keyboard, Hardware - - Yes -
Touch Screen Yes Yes - Yes
Memory
Memory Card Slot Yes Yes Yes -
Messaging
Email Client n/a n/a Yes n/a
Instant Messaging n/a n/a - n/a
MMS n/a n/a Yes n/a
Text Messaging Templates n/a n/a Yes n/a
Music
Headphone Jack (3.5mm) Yes Yes Yes Yes
Music Player n/a n/a Yes n/a
Photo & Video
DLNA - - - Yes
Miracast Yes - - Yes
TV Output - Yes - Yes
Power
Fast Charging - Yes - -
Productivity
Alarm n/a n/a Yes n/a
Calculator n/a n/a Yes n/a
Calendar n/a n/a Yes n/a
To-Do List n/a n/a - n/a
Voice Memo n/a n/a Yes n/a
Software
Games n/a n/a Yes n/a
Java (J2ME) n/a n/a Yes n/a
Voice
HD Voice Yes * Yes - Yes *
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  LG K4 / Optimus Zone 3 / Rebel Samsung Galaxy Note 4 (CDMA) ZTE Aspect LG G Flex (U.S. GSM)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG K4 / Optimus Zone 3 / Rebel Samsung Galaxy Note 4 (CDMA) ZTE Aspect LG G Flex (U.S. GSM)

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