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Phone LG K4 / Optimus Zone 3 / Rebel Sony Xperia Z2 Samsung Galaxy S III (T-Mobile) Sonim XP5plus
Current U.S. Carriers (none) (none) (none) AT&T
Global Availability Released Not yet released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
5.2" diag.
16 : 9
4.8" diag.
16 : 9
2.8" diag.
4 : 3
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~306 ppi)
AMOLED
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 60 Hz 60 Hz
Battery 1,940 mAh 3,200 mAh 2,100 mAh 3,500 mAh
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) 2.3 GHz Qualcomm Snapdragon 801 MSM8974AB 1.5 GHz Qualcomm Snapdragon S4 2 GHz Snapdragon 662
RAM 1.5 GB 3 GB 2 GB 2 GB
Storage 16 GB * 16 GB 16 GB * 16 GB
Main Camera 5 megapixel 20 megapixel 8 megapixel 8 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 720p HD 4K UHD 1080p HD 1080p HD
Front Camera 2 megapixel 2 megapixel 2 megapixel -
Weight 3.99 oz
(113g)
5.75 oz
(163g)
4.65 oz
(132g)
9.7 oz
(275g)
Dimensions 5.19" x 2.62" x 0.35"
(132 x 67 x 8.9 mm)
5.78" x 2.89" x 0.32"
(147 x 73 x 8.2 mm)
5.38" x 2.78" x 0.34"
(137 x 71 x 8.6 mm)
5.85" x 2.59" x 0.83"
(149 x 66 x 21 mm)
Form Factor Slab Slab Slab Slab
Platform / OS Android Android Android (proprietary)
Network Bands

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 4, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 25, 26, 29, 30, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 3) LTE (Cat 4) HSPA+ 42 LTE (Cat 13)
Features 
Barometer - - - Yes
Flashlight Yes - Yes Yes
GPS / Location n/a n/a n/a Yes
Ruggedized - Yes - Yes
Water-Resistant - Yes
IPX8 (SCUBA)
- Yes
IPX9 (dishwasher)
Accessibility
Adjustable Text Size n/a n/a n/a Yes
Hearing Aid Compatible Yes - Yes Yes
Multiple Languages n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Mobile Hotspot n/a n/a n/a Yes
NFC - Yes Yes -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a n/a n/a Yes
Ringer ID n/a n/a n/a Yes
Voice Dialing n/a n/a n/a Yes
Customization
Custom Graphics n/a n/a n/a Yes
Custom Ringtones n/a n/a n/a Yes
Real-Music Ringers n/a n/a n/a Yes
Data & Network
Data Tethering n/a n/a n/a Yes
Dual-SIM - - - Yes
WAP / Web Browser n/a n/a n/a Yes
Input
Predictive Text Entry n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen Yes Yes Yes -
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client n/a n/a n/a -
Instant Messaging n/a n/a n/a -
MMS n/a n/a n/a Yes
Text Messaging Templates n/a n/a n/a Yes
Music
FM Radio - Yes - Yes
Headphone Jack (3.5mm) Yes Yes Yes -
Music Player n/a n/a n/a Yes
Photo & Video
DLNA - Yes Yes -
Miracast Yes Yes - -
TV Output - Yes Yes -
Productivity
Alarm n/a n/a n/a Yes
Calculator n/a n/a n/a Yes
Calendar n/a n/a n/a Yes
To-Do List n/a n/a n/a -
Voice Memo n/a n/a n/a Yes
Software
Games n/a n/a n/a -
Voice
HD Voice Yes * - Yes Yes
Push-To-Talk - - - Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  LG K4 / Optimus Zone 3 / Rebel Sony Xperia Z2 Samsung Galaxy S III (T-Mobile) Sonim XP5plus
  X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG K4 / Optimus Zone 3 / Rebel Sony Xperia Z2 Samsung Galaxy S III (T-Mobile) Sonim XP5plus

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