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Phone LG K40 / Harmony 3 LG Stylo 4 Kyocera Coast / Kona ZTE Blade Vantage Samsung SGH-A157
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.7" diag.
18 : 9
6.2" diag.
18 : 9
2.4" diag.
4 : 3
5" diag.
16 : 9
1.8" diag.
4 : 3
Display Resolution & Type 720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~390 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? 60 Hz ?
Battery 3,000 mAh 3,300 mAh 870 mAh 2,500 mAh 800 mAh
Processor 1.8 GHz Qualcomm Snapdragon 450 1.8 GHz Qualcomm Snapdragon 450 480 MHz Qualcomm QSC6155 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ?
RAM 2 GB 2 GB * 128 MB 2 GB ?
Storage 32 GB 32 GB * 256 MB 16 GB 256 MB
Main Camera 13 megapixel 13 megapixel 2 megapixel 8 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD 1080p HD - 720p HD -
Front Camera 5 megapixel 5 megapixel - 2 megapixel -
Weight 5.11 oz
(145g)
6.07 oz
(172g)
3.7 oz
(105g)
5.29 oz
(150g)
2.99 oz
(85g)
Dimensions 6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
6.31" x 3.06" x 0.33"
(160 x 78 x 8.4 mm)
3.94" x 2.05" x 0.68"
(100 x 52 x 17.3 mm)
5.73" x 2.85" x 0.36"
(146 x 72 x 9.2 mm)
3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
Form Factor Slab Slab Clamshell Slab Clamshell
Platform / OS Android 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

*

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 800, 850, 1700, 1900

*

4G LTE: 2, 4, 5, 13

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 6) LTE (Cat 6) 1xRTT LTE (Cat 4) ?
Features 
Fingerprint Reader Yes
stand-alone
Yes
stand-alone
- - -
Flashlight Yes Yes - Yes -
GPS / Location n/a n/a Yes n/a Yes
Accessibility
Adjustable Text Size n/a n/a Yes n/a Yes
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages n/a n/a Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - Yes - -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Yes
Classic Audio
-
NFC Yes * Yes * - - -
USB Yes
Micro-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
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a n/a Yes n/a Yes
Ringer ID n/a n/a Yes n/a Yes
Voice Dialing n/a n/a Yes n/a -
Customization
Custom Graphics n/a n/a Yes n/a Yes
Custom Ringtones n/a n/a Yes n/a Yes
Real-Music Ringers n/a n/a Yes n/a Yes
Data & Network
WAP / Web Browser n/a n/a Yes n/a Yes
Input
Predictive Text Entry n/a n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes -
Stylus - Yes - - -
Touch Screen Yes Yes - Yes -
Memory
Memory Card Slot Yes Yes - Yes -
Messaging
MMS n/a n/a Yes n/a Yes
Text Messaging Templates n/a n/a Yes n/a Yes
Music
FM Radio Yes Yes - - -
Headphone Jack (3.5mm) Yes Yes Yes Yes -
Photo & Video
DLNA Yes Yes - - -
Productivity
Alarm n/a n/a Yes n/a Yes
Calculator n/a n/a Yes n/a Yes
Calendar n/a n/a Yes n/a Yes
To-Do List n/a n/a - n/a Yes
Voice Memo n/a n/a Yes n/a Yes
Software
Games n/a n/a Yes n/a -
Java (J2ME) n/a n/a Yes n/a -
Voice
HD Voice Yes Yes - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  LG K40 / Harmony 3 LG Stylo 4 Kyocera Coast / Kona ZTE Blade Vantage Samsung SGH-A157
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG K40 / Harmony 3 LG Stylo 4 Kyocera Coast / Kona ZTE Blade Vantage Samsung SGH-A157

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