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Phone LG K4 / Optimus Zone 3 / Rebel Coolpad Conjr ZTE Aspect Casio G'zOne Boulder Ericsson T66
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" diag.
16 : 9
2.4" diag.
4 : 3
2" diag.
4 : 3
?
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
?
Display Refresh 60 Hz 60 Hz ? ? ?
Battery 1,940 mAh 2,500 mAh 1,000 mAh 810 mAh ?
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) 1 GHz MediaTek MT6735 230 MHz Qualcomm QSC6270 ? ?
RAM 1.5 GB 3 GB 128 MB ? ?
Storage 16 GB * 16 GB 256 MB ? raw hardware ? raw hardware
Main Camera 5 megapixel 13 megapixel 2 megapixel 1 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD 1080p HD QVGA (320 x 240) ? -
Front Camera 2 megapixel 8 megapixel - - -
Weight 3.99 oz
(113g)
5.14 oz
(146g)
3.7 oz
(105g)
4.9 oz
(139g)
2.08 oz
(59g)
Dimensions 5.19" x 2.62" x 0.35"
(132 x 67 x 8.9 mm)
5.72" x 2.86" x 0.35"
(145 x 73 x 8.8 mm)
4.55" x 2.4" x 0.45"
(116 x 61 x 11.4 mm)
3.9" x 2" x 0.9"
(99 x 51 x 22.9 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
Form Factor Slab Slab Slab Clamshell Slab
Platform / OS Android Android (proprietary) (proprietary) (proprietary)
Network Bands

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

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

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

Data Technology LTE (Cat 3) LTE (Cat 4) WCDMA (UMTS) EVDO rA -
Features 
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight Yes Yes - Yes -
GPS / Location n/a n/a Yes Yes -
Ruggedized - - - Yes -
Water-Resistant - - - Yes -
Accessibility
Adjustable Text Size n/a n/a - - -
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
-
Multiple Languages n/a n/a Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Extra Display - - - Yes -
Ringer Profiles - - Yes - Yes
Connectivity
Bluetooth Yes Yes Yes Yes -
Mobile Hotspot n/a n/a - - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes -
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
- - -
Contacts
Picture ID n/a n/a Yes Yes -
Ringer ID n/a n/a Yes Yes -
Voice Dialing n/a n/a - Yes -
Customization
Changeable Body Plates - - - Yes -
Custom Graphics n/a n/a Yes Yes Yes
Custom Ringtones n/a n/a Yes Yes Yes
Real-Music Ringers n/a n/a Yes - -
Data & Network
Data Tethering n/a n/a - Yes -
Dual-SIM - Yes - - -
WAP / Web Browser n/a n/a Yes Yes Yes
Input
Predictive Text Entry n/a n/a Yes Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen Yes
Capacitive
Yes
Capacitive
- - -
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client n/a n/a Yes - -
EMS / Picture Messaging n/a n/a - Yes Yes
Instant Messaging n/a n/a - - -
MMS n/a n/a Yes Yes -
Text Messaging Templates n/a n/a Yes Yes Yes
Music
Headphone Jack (3.5mm) Yes Yes Yes - -
Music Player n/a n/a Yes Yes -
Photo & Video
Miracast Yes - - - -
Productivity
Alarm n/a n/a Yes Yes Yes
Calculator n/a n/a Yes Yes Yes
Calendar n/a n/a Yes Yes Yes
To-Do List n/a n/a - - Yes
Voice Memo n/a n/a Yes Yes -
Software
BREW n/a n/a - Yes -
Games n/a n/a Yes Yes Yes
Java (J2ME) n/a n/a Yes - -
Voice
HD Voice Yes * - - - -
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  LG K4 / Optimus Zone 3 / Rebel Coolpad Conjr ZTE Aspect Casio G'zOne Boulder Ericsson T66
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG K4 / Optimus Zone 3 / Rebel Coolpad Conjr ZTE Aspect Casio G'zOne Boulder Ericsson T66

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