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Phone LG K40 / Harmony 3 LG K30 2018 (CDMA) Samsung Galaxy S6 (GSM) Motorola Flipside Samsung Zeal / Alias 2 SCH-U750
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.7" diag.
18 : 9
5.3" diag.
16 : 9
5.1" diag.
16 : 9
3.1" diag.
5 : 3
2.6" diag.
4 : 3
Display Resolution & Type 720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~277 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 60 Hz 60 Hz ?
Battery 3,000 mAh 3,000 mAh 2,550 mAh 1,150 mAh 880 mAh
Processor 1.8 GHz Qualcomm Snapdragon 450 1.5 GHz MediaTek MT6750T 2.1 GHz Samsung Exynos 7420 720 MHz TI OMAP 3410 ?
RAM 2 GB 2 GB 3 GB ? ?
Storage 32 GB 32 GB 32 GB * ? raw hardware ? raw hardware
Main Camera 13 megapixel 13 megapixel 16 megapixel 3 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD 1080p HD 4K UHD CIF (352 x 288) QCIF (176 x 144)
Front Camera 5 megapixel 5 megapixel 5 megapixel - -
Weight 5.11 oz
(145g)
5.93 oz
(168g)
4.87 oz
(138g)
5.11 oz
(145g)
4.34 oz
(123g)
Dimensions 6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
5.85" x 2.95" x 0.33"
(149 x 75 x 8.4 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
4.31" x 2.26" x 0.59"
(109 x 57 x 15 mm)
4.01" x 2.04" x 0.67"
(102 x 52 x 17 mm)
Form Factor Slab Slab Slab Slide Clamshell
Platform / OS Android Android Android 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: 2, 4, 5, 12, 13, 25, 26, 41

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology LTE (Cat 6) LTE (Cat 4) LTE (Cat 6) HSPA 7.2 EVDO r0
Features 
Fingerprint Reader Yes
stand-alone
Yes
stand-alone
Yes - -
Flashlight Yes Yes Yes - -
GPS / Location n/a n/a n/a n/a Yes
VR-ready - - Yes - -
Accessibility
Adjustable Text Size n/a n/a n/a n/a Yes
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages n/a n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - Yes - -
MirrorLink - - Yes - -
NFC Yes * - Yes - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes -
Contacts
Picture ID n/a n/a n/a n/a Yes
Ringer ID n/a n/a n/a n/a Yes
Voice Dialing n/a n/a n/a n/a Yes
Customization
Custom Graphics n/a n/a n/a n/a Yes
Custom Ringtones n/a n/a n/a n/a Yes
Real-Music Ringers n/a n/a n/a n/a Yes
Data & Network
Data Tethering n/a n/a n/a n/a Yes
WAP / Web Browser n/a n/a n/a n/a Yes
Input
Predictive Text Entry n/a n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes Yes
Touch Screen Yes Yes Yes Yes -
Memory
Memory Card Slot Yes Yes - Yes Yes
Messaging
Email Client n/a n/a n/a n/a Yes
Instant Messaging n/a n/a n/a n/a Yes
MMS n/a n/a n/a n/a Yes
Text Messaging Templates n/a n/a n/a n/a Yes
Music
FM Radio Yes Yes - Yes -
Headphone Jack (3.5mm) Yes Yes Yes Yes -
Music Player n/a n/a n/a n/a Yes
Photo & Video
DLNA Yes - Yes - -
Miracast - - Yes - -
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm n/a n/a n/a n/a Yes
Calculator n/a n/a n/a n/a Yes
Calendar n/a n/a n/a n/a Yes
Voice Memo n/a n/a n/a n/a Yes
Software
BREW n/a n/a n/a n/a Yes
Games n/a n/a n/a n/a Yes
Voice
HD Voice Yes - Yes - -
Headset Jack (2.5 mm) n/a n/a n/a n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  LG K40 / Harmony 3 LG K30 2018 (CDMA) Samsung Galaxy S6 (GSM) Motorola Flipside Samsung Zeal / Alias 2 SCH-U750
  X > < X > < X > < X > < X

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

 
Phone LG K40 / Harmony 3 LG K30 2018 (CDMA) Samsung Galaxy S6 (GSM) Motorola Flipside Samsung Zeal / Alias 2 SCH-U750

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