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Phone ZTE Blade Vantage Casio G'zOne Rock Kyocera DuraForce LG K3 Ericsson R520
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5" diag.
16 : 9
2.1" diag.
4 : 3
4.5" diag.
16 : 9
4.5" diag.
16 : 9
?
Display Resolution & Type 480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~190 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~326 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
?
Display Refresh 60 Hz ? 60 Hz 60 Hz ?
Battery 2,500 mAh 1,150 mAh 3,100 mAh 1,940 mAh ?
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? 1.4 GHz Qualcomm Snapdragon 400 (MSM8928) 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ?
RAM 2 GB ? 2 GB 1 GB ?
Storage 16 GB ? raw hardware 16 GB 8 GB ? raw hardware
Main Camera 8 megapixel 2 megapixel 8 megapixel 5 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD ? 1080p HD 720p HD -
Front Camera 2 megapixel - 2 megapixel Yes -
Weight 5.29 oz
(150g)
4.4 oz
(125g)
7.06 oz
(200g)
4.6 oz
(130g)
4.23 oz
(120g)
Dimensions 5.73" x 2.85" x 0.36"
(146 x 72 x 9.2 mm)
4.1" x 2" x 0.9"
(104 x 51 x 22.9 mm)
5.39" x 2.78" x 0.55"
(137 x 71 x 14 mm)
5.24" x 2.67" x 0.37"
(133 x 68 x 9.4 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS Android (proprietary) Android Android (proprietary)
Network Bands

4G LTE: 2, 4, 5, 13

CDMA: 850, 1900

4G LTE: 1, 2, 4, 5, 7, 17

WCDMA: 1, 2, 5, 8

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

GSM: 900, 1800, 1900

Data Technology LTE (Cat 4) EVDO rA LTE (Cat 3) LTE (Cat 4) GPRS
Features 
Flashlight Yes Yes Yes Yes -
GPS / Location n/a Yes n/a n/a -
Ruggedized - Yes Yes - -
Water-Resistant - Yes Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size n/a - n/a n/a -
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
-
Multiple Languages n/a Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Extra Display - Yes - - -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - - - Yes
Mobile Hotspot n/a - n/a n/a -
NFC - - Yes - -
USB Yes
Micro-USB
Yes 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
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a Yes n/a n/a -
Ringer ID n/a Yes n/a n/a -
Voice Dialing n/a Yes n/a n/a Yes
Customization
Custom Graphics n/a Yes n/a n/a -
Custom Ringtones n/a Yes n/a n/a Yes
Real-Music Ringers n/a Yes n/a n/a -
Data & Network
Data Tethering n/a Yes n/a n/a Yes
WAP / Web Browser n/a Yes n/a n/a Yes
Input
Predictive Text Entry n/a Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes
Capacitive
- Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client n/a Yes n/a n/a -
Instant Messaging n/a Yes n/a n/a -
MMS n/a Yes n/a n/a -
Text Messaging Templates n/a Yes n/a n/a Yes
Music
Headphone Jack (3.5mm) Yes - Yes Yes -
Music Player n/a Yes n/a n/a -
Stereo Speakers - - Yes - -
Photo & Video
DLNA - - Yes - -
Miracast - - Yes - -
Power
Wireless Charging - - Yes - -
Productivity
Alarm n/a Yes n/a n/a Yes
Calculator n/a Yes n/a n/a Yes
Calendar n/a Yes n/a n/a Yes
Voice Memo n/a Yes n/a n/a Yes
Software
BREW n/a Yes n/a n/a -
Games n/a Yes n/a n/a Yes
Voice
HD Voice Yes - - Yes -
Headset Jack (2.5 mm) n/a Yes n/a n/a -
Push-To-Talk - Yes Yes * - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  ZTE Blade Vantage Casio G'zOne Rock Kyocera DuraForce LG K3 Ericsson R520
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Blade Vantage Casio G'zOne Rock Kyocera DuraForce LG K3 Ericsson R520

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