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Phone LG K4 / Optimus Zone 3 / Rebel LG Trax CU575 Sony Xperia XZ1 Sony Ericsson T68i BlackBerry 7750
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
? 5.2" diag.
16 : 9
? ?
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
101 x 80 pixels
LCD (STN)
240 x 240 pixels
LCD (Color)
Display Refresh 60 Hz ? 60 Hz ? ?
Battery 1,940 mAh 980 mAh 2,700 mAh 700 mAh ?
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) ? ?
RAM 1.5 GB ? 4 GB ? ?
Storage 16 GB * ? raw hardware 64 GB ? raw hardware ? raw hardware
Main Camera 5 megapixel 1 megapixel 19 megapixel - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD QCIF (176 x 144) 4K UHD - -
Front Camera 2 megapixel - 13 megapixel - -
Weight 3.99 oz
(113g)
3.89 oz
(110g)
5.5 oz
(156g)
2.96 oz
(84g)
5.01 oz
(142g)
Dimensions 5.19" x 2.62" x 0.35"
(132 x 67 x 8.9 mm)
3.89" x 2.01" x 0.62"
(99 x 51 x 15.7 mm)
5.82" x 2.89" x 0.29"
(148 x 73 x 7.4 mm)
3.94" x 1.89" x 0.79"
(100 x 48 x 20.1 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS Android (proprietary) Android (proprietary) BlackBerry OS
Network Bands

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

Data Technology LTE (Cat 3) HSDPA 3.6 LTE (Cat 16) GPRS 1xRTT
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes *
stand-alone
- -
Flashlight Yes - Yes - -
GPS / Location n/a - n/a - n/a
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size n/a - n/a - n/a
Hearing Aid Compatible Yes - Yes - -
Multiple Languages n/a Yes n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display - Yes - - -
Ringer Profiles - - - Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes -
Infrared (IR) - - - Yes -
Mobile Hotspot n/a - n/a - n/a
NFC - - Yes - -
USB Yes
Micro-USB
Yes Yes
USB Type C
- 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 n/a Yes n/a
Ringer ID n/a - n/a Yes n/a
Voice Dialing n/a Yes n/a Yes n/a
Customization
Custom Graphics n/a Yes n/a Yes n/a
Custom Ringtones n/a Yes n/a Yes n/a
Real-Music Ringers n/a Yes n/a - n/a
Data & Network
Data Tethering n/a Yes n/a Yes n/a
Dual-SIM - - Yes * - -
WAP / Web Browser n/a Yes n/a Yes n/a
Input
Predictive Text Entry n/a Yes n/a 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 Yes n/a
EMS / Picture Messaging n/a - n/a Yes n/a
Instant Messaging n/a Yes n/a - n/a
MMS n/a Yes n/a Yes n/a
Text Messaging Templates n/a Yes n/a Yes n/a
Music
Headphone Jack (3.5mm) Yes - Yes - -
Music Player n/a Yes n/a - n/a
Stereo Speakers - - Yes - -
Photo & Video
DLNA - - Yes - -
Miracast Yes - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm n/a Yes n/a Yes n/a
Calculator n/a Yes n/a Yes n/a
Calendar n/a Yes n/a Yes n/a
To-Do List n/a Yes n/a Yes n/a
Voice Memo n/a Yes n/a Yes n/a
Software
Games n/a Yes n/a Yes n/a
Java (J2ME) n/a Yes n/a - n/a
Voice
HD Voice Yes * - Yes - -
Headset Jack (2.5 mm) n/a - n/a - n/a
Speaker Phone Yes Yes Yes - -
  * Some versions only
  LG K4 / Optimus Zone 3 / Rebel LG Trax CU575 Sony Xperia XZ1 Sony Ericsson T68i BlackBerry 7750
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG K4 / Optimus Zone 3 / Rebel LG Trax CU575 Sony Xperia XZ1 Sony Ericsson T68i BlackBerry 7750

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