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Phone Sharp GX-10 / GX-10i Visible Midnight Coolpad Defiant LG K4 / Optimus Zone 3 / Rebel Motorola Rival A455
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Not yet released Released Released Released Released
Specifications 
Display Size ? 6.5" diag.
20 : 9
5" diag.
16 : 9
4.5" diag.
16 : 9
2.2" diag.
4 : 3
Display Resolution & Type 120 x 160 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz 60 Hz ?
Battery 720 mAh 4,000 mAh 2,450 mAh 1,940 mAh 940 mAh
Processor ? MediaTek Helio P22 (MT6762) 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ?
RAM ? 3 GB 1 GB 1.5 GB ?
Storage ? raw hardware 32 GB 8 GB 16 GB * ? raw hardware
Main Camera Yes 13 megapixel 5 megapixel 5 megapixel 2 megapixel
Wide Camera - 5 megapixel - - -
Tele Camera - - - - -
Video Capture - 1080p HD 720p HD 720p HD QVGA (320 x 240)
Front Camera - 8 megapixel 2 megapixel 2 megapixel -
Weight 3.88 oz
(110g)
6.35 oz
(180g)
6.5 oz
(184g)
3.99 oz
(113g)
4.48 oz
(127g)
Dimensions 3.7" x 1.93" x 1.06"
(94 x 49 x 26.9 mm)
6.53" x 3" x 0.34"
(166 x 76 x 8.6 mm)
5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
5.19" x 2.62" x 0.35"
(132 x 67 x 8.9 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
Form Factor Clamshell Slab Slab Slab Slide
Platform / OS (proprietary) Android Android Android (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12, 13, 66

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

Data Technology GPRS LTE (Cat 4) LTE (Cat 4) LTE (Cat 3) EVDO r0
Features 
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight - Yes Yes Yes -
GPS / Location - n/a n/a n/a Yes
Accessibility
Adjustable Text Size - n/a n/a n/a -
Hearing Aid Compatible - Yes Yes Yes Yes
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth - Yes Yes Yes Yes
Infrared (IR) Yes - - - -
Mobile Hotspot - n/a n/a n/a -
USB - Yes
USB Type C
Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
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)
-
Contacts
Picture ID - n/a n/a n/a Yes
Ringer ID Yes n/a n/a n/a Yes
Voice Dialing - n/a n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers - n/a n/a n/a Yes
Data & Network
Data Tethering Yes n/a n/a n/a Yes
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a -
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen - Yes Yes Yes Yes
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - n/a n/a n/a Yes
EMS / Picture Messaging - n/a n/a n/a Yes
Instant Messaging - n/a n/a n/a Yes
MMS Yes n/a n/a n/a Yes
Text Messaging Templates Yes n/a n/a n/a Yes
Music
Headphone Jack (3.5mm) - Yes Yes Yes Yes
Music Player - n/a n/a n/a Yes
Photo & Video
Miracast - - - Yes -
Power
Wireless Charging - Yes - - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
Voice Memo Yes n/a n/a n/a Yes
Software
BREW - n/a n/a n/a Yes
Games Yes n/a n/a n/a Yes
Voice
HD Voice - Yes - Yes * -
Headset Jack (2.5 mm) Yes n/a n/a n/a -
Speaker Phone - Yes Yes Yes Yes
  * Some versions only
  Sharp GX-10 / GX-10i Visible Midnight Coolpad Defiant LG K4 / Optimus Zone 3 / Rebel Motorola Rival A455
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sharp GX-10 / GX-10i Visible Midnight Coolpad Defiant LG K4 / Optimus Zone 3 / Rebel Motorola Rival A455

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