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Phone LG K4 / Optimus Zone 3 / Rebel Sony Xperia Pro Coolpad Conjr Huawei M750 Kyocera 3225
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
6.5" diag.
21 : 9
5" diag.
16 : 9
2.8" diag.
4 : 3
?
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
1644 x 3840 pixels
(~643 ppi)
AMOLED
720 x 1280 pixels
(~294 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
?
LCD (Grayscale)
Display Refresh 60 Hz 60 Hz 60 Hz ? ?
Battery 1,940 mAh 4,000 mAh 2,500 mAh 1,150 mAh ?
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) Qualcomm Snapdragon 865 1 GHz MediaTek MT6735 ? ?
RAM 1.5 GB 12 GB 3 GB ? ?
Storage 16 GB * 512 GB 16 GB ? raw hardware ? raw hardware
Main Camera 5 megapixel 12 megapixel 13 megapixel 1 megapixel -
Wide Camera - 12 megapixel - - -
Tele Camera - 12 megapixel - - -
Video Capture 720p HD 4K UHD 1080p HD - -
Front Camera 2 megapixel 8 megapixel 8 megapixel - -
Weight 3.99 oz
(113g)
7.94 oz
(225g)
5.14 oz
(146g)
3.92 oz
(111g)
4.23 oz
(120g)
Dimensions 5.19" x 2.62" x 0.35"
(132 x 67 x 8.9 mm)
6.7" x 3" x 0.4"
(170 x 76 x 10.2 mm)
5.72" x 2.86" x 0.35"
(145 x 73 x 8.8 mm)
4.21" x 2.25" x 0.59"
(107 x 57 x 14.9 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS Android Android Android (proprietary) (proprietary)
Network Bands

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

5G: 2, 5, 66, 260, 261

4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 48, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

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

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology LTE (Cat 3) NR (5G) LTE (Cat 4) 1xRTT 1xRTT
Features 
Fingerprint Reader - Yes
stand-alone
Yes
stand-alone
- -
Flashlight Yes Yes Yes - -
GPS / Location n/a n/a n/a Yes Yes
Water-Resistant - Yes
IPX8 (SCUBA)
- - -
Accessibility
Adjustable Text Size n/a n/a n/a - -
Hearing Aid Compatible Yes Yes Yes Yes -
Multiple Languages n/a n/a n/a - Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes -
Mobile Hotspot n/a n/a n/a - -
NFC - Yes - - -
USB Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Yes -
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 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 Yes
Custom Ringtones n/a n/a n/a Yes Yes
Real-Music Ringers n/a n/a n/a - -
Data & Network
Data Tethering n/a n/a n/a - Yes
Dual-SIM - Yes Yes - -
WAP / Web Browser n/a n/a n/a Yes Yes
Input
Predictive Text Entry n/a n/a n/a - Yes
Side Keys Yes Yes Yes Yes -
Stylus - - - 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 n/a n/a n/a Yes -
Text Messaging Templates 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 -
Stereo Speakers - Yes - - -
Photo & Video
Miracast Yes - - - -
TV Output - Yes - - -
Power
Fast Charging - Yes - - -
Productivity
Alarm n/a n/a n/a Yes Yes
Calculator n/a n/a n/a Yes Yes
Calendar n/a n/a n/a Yes Yes
Voice Memo n/a n/a n/a Yes -
Software
BREW n/a n/a n/a Yes Yes
Games n/a n/a n/a Yes Yes
Voice
HD Voice Yes * Yes - - -
Headset Jack (2.5 mm) n/a n/a n/a - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  LG K4 / Optimus Zone 3 / Rebel Sony Xperia Pro Coolpad Conjr Huawei M750 Kyocera 3225
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG K4 / Optimus Zone 3 / Rebel Sony Xperia Pro Coolpad Conjr Huawei M750 Kyocera 3225

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