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Phone LG K40 / Harmony 3 ZTE Z222 / Z223 Coolpad Defiant Samsung SGH-X640
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 5.7" diag.
18 : 9
2" diag.
4 : 3
5" diag.
16 : 9
?
Display Resolution & Type 720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz ?
Battery 3,000 mAh 900 mAh 2,450 mAh 800 mAh
Processor 1.8 GHz Qualcomm Snapdragon 450 QSC6270 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ?
RAM 2 GB 64 MB 1 GB ?
Storage 32 GB 128 MB 8 GB ? raw hardware
Main Camera 13 megapixel Yes 5 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture 1080p HD ? 720p HD -
Front Camera 5 megapixel - 2 megapixel -
Weight 5.11 oz
(145g)
3.24 oz
(92g)
6.5 oz
(184g)
3 oz
(85g)
Dimensions 6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
Form Factor Slab Clamshell Slab Clamshell
Platform / OS Android (proprietary) Android (proprietary)
Network Bands

4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 5

GSM: 850, 1900

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology LTE (Cat 6) HSDPA 3.6 LTE (Cat 4) GPRS
Features 
Fingerprint Reader Yes
stand-alone
- - -
Flashlight Yes - Yes -
Accessibility
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
-
Multiple Languages n/a Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display - Yes - -
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes Yes Yes -
NFC Yes * - - -
USB 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)
-
Contacts
Picture ID n/a Yes n/a Yes
Ringer ID n/a Yes n/a Yes
Customization
Custom Graphics n/a Yes n/a Yes
Custom Ringtones n/a Yes n/a Yes
Real-Music Ringers n/a Yes n/a -
Data & Network
WAP / Web Browser n/a Yes n/a Yes
Input
Predictive Text Entry n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen Yes
Capacitive
- Yes
Capacitive
-
Memory
Memory Card Slot Yes - Yes -
Messaging
Email Client n/a Yes n/a -
EMS / Picture Messaging n/a - n/a Yes
MMS n/a Yes n/a Yes
Text Messaging Templates n/a Yes n/a Yes
Music
FM Radio Yes Yes * - -
Headphone Jack (3.5mm) Yes - Yes -
Photo & Video
DLNA Yes - - -
Productivity
Alarm n/a Yes n/a Yes
Calculator n/a Yes n/a Yes
Calendar n/a Yes n/a Yes
To-Do List n/a - n/a Yes
Voice Memo n/a Yes n/a Yes
Software
Games n/a Yes n/a Yes
Java (J2ME) n/a Yes n/a Yes
Voice
HD Voice Yes - - -
Headset Jack (2.5 mm) n/a - n/a Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  LG K40 / Harmony 3 ZTE Z222 / Z223 Coolpad Defiant Samsung SGH-X640
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Phone LG K40 / Harmony 3 ZTE Z222 / Z223 Coolpad Defiant Samsung SGH-X640

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