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Phone LG K40 / Harmony 3 Kyocera DuraForce LG GU292 / GU295 Amazon Fire
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 5.7" diag.
18 : 9
4.5" diag.
16 : 9
2" diag.
4 : 3
4.7" diag.
16 : 9
Display Resolution & Type 720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~326 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? ?
Battery 3,000 mAh 3,100 mAh 900 mAh 2,400 mAh
Processor 1.8 GHz Qualcomm Snapdragon 450 1.4 GHz Qualcomm Snapdragon 400 (MSM8928) ? 2.2 GHz Qualcomm Snapdragon 800
RAM 2 GB 2 GB ? 2 GB
Storage 32 GB 16 GB ? raw hardware 32 GB *
Main Camera 13 megapixel 8 megapixel 1 megapixel 13 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 1080p HD 1080p HD ? 1080p HD
Front Camera 5 megapixel 2 megapixel - 2 megapixel
Weight 5.11 oz
(145g)
7.06 oz
(200g)
3.71 oz
(105g)
5.64 oz
(160g)
Dimensions 6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
5.39" x 2.78" x 0.55"
(137 x 71 x 14 mm)
3.98" x 1.85" x 0.63"
(101 x 47 x 16 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
Form Factor Slab Slab Slide Slab
Platform / OS Android Android (proprietary) (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, 4, 5, 7, 17

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 5

GSM: 850, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 6) LTE (Cat 3) HSDPA 3.6 LTE (Cat 4)
Features 
Fingerprint Reader Yes
stand-alone
- - -
Flashlight Yes Yes - Yes
GPS / Location n/a n/a Yes Yes
Ruggedized - Yes - -
Water-Resistant - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size n/a n/a - -
Hearing Aid Compatible Yes Yes - Yes
Multiple Languages n/a n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Mobile Hotspot n/a n/a - Yes
NFC Yes * Yes - Yes
USB Yes
Micro-USB
Yes
Micro-USB
Yes Yes
Micro-USB
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)
Contacts
Picture ID n/a n/a Yes Yes
Ringer ID n/a n/a Yes Yes
Voice Dialing n/a n/a Yes Yes
Customization
Custom Graphics n/a n/a Yes -
Custom Ringtones n/a n/a Yes Yes
Real-Music Ringers n/a n/a Yes -
Data & Network
Data Tethering n/a n/a Yes Yes
WAP / Web Browser n/a n/a Yes Yes
Input
Predictive Text Entry n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes
Touch Screen Yes Yes - Yes
Memory
Memory Card Slot Yes Yes Yes -
Messaging
Email Client n/a n/a Yes Yes
Instant Messaging n/a n/a Yes -
MMS n/a n/a Yes Yes
Text Messaging Templates n/a n/a Yes Yes
Music
FM Radio Yes - - -
Headphone Jack (3.5mm) Yes Yes - Yes
Music Player n/a n/a Yes Yes
Stereo Speakers - Yes - Yes
Photo & Video
DLNA Yes Yes - -
Miracast - Yes - Yes
TV Output - - - Yes
Power
Wireless Charging - Yes - -
Productivity
Alarm n/a n/a Yes Yes
Calculator n/a n/a Yes Yes
Calendar n/a n/a Yes Yes
Voice Memo n/a n/a Yes Yes
Software
Games n/a n/a Yes Yes
Java (J2ME) n/a n/a Yes -
Voice
HD Voice Yes - - Yes
Push-To-Talk - Yes * Yes -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  LG K40 / Harmony 3 Kyocera DuraForce LG GU292 / GU295 Amazon Fire
  X > < X > < X > < X

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

 
Phone LG K40 / Harmony 3 Kyocera DuraForce LG GU292 / GU295 Amazon Fire

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