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LG K40 / Harmony 3

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This update to the K30 has a larger, taller display and a newer, faster processor. Other features of this affordable phone are similar, including a fingerprint reader, dual-band Wi-Fi, memory card slot, and 3.5mm audio jack.

Some versions have NFC.

Offered By: 

Specs

 
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Display 5.7 in   diagonal, 2:1
HD+   720 x 1440 pixels
282 ppi   approx.
Type: LCD (TFT/TFD)
Battery 3,000 mAh
Non-removable
Talk: 12 hours max.
Standby: 466 hours max.
Processor 1.8 GHz Qualcomm Snapdragon 450
octa-core / MediaTek Helio P22 in AT&T and Cricket versions
2 GB RAM
Storage 32 GB raw hardware
18 GB available to user
Expandable via memory card
16 (raw) in some versions
Cameras 13 megapixel
PDAF, LED flash
Google Lens, AI Cam, HDR, voice trigger, burst shot

Video: 1080p HD
Front Camera 5 megapixel
LED flash
Weight 5.11 oz   145 g
Dimensions 6.02 x 2.83 x 0.32 in   153 x 72 x 8.1 mm
OS / Platform Android version 9.0 (Pie) (8.1 in some versions)
Modes
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
LTE   4G
band 2 / 1900 MHz   PCS (Americas)
band 4 / 1700 MHz   AWS (Americas)
band 5 / 850 MHz   Cellular (Americas, Oceania, Brazil, Israel)
band 12 / 700 MHz   Lower 700 (USA)
band 13 / 750 MHz   Upper 700 (USA (Verizon))
band 14 / 700 MHz   Public Safety (USA)
band 25 / 1900 MHz   PCS+G (USA (T-Mobile))
band 26 / 850 MHz   Extended Cellular (USA (T-Mobile))
band 29 / 700 MHz   Lower 700 (USA (AT&T))
band 30 / 2300 MHz   WCS (Americas (AT&T))
band 41 / 2500 MHz   BRS / EBS (USA (T-Mobile))
band 66 / 1700 MHz   AWS-3 (Americas)
band 71 / 600 MHz   600 (USA (T-Mobile))

WCDMA   3G
band 2 (II) / 1900 MHz   PCS (Americas)
band 4 (IV) / 1700 MHz   AWS (Americas)
band 5 (V) / 850 MHz   Cellular (Americas, Oceania, Brazil, Israel)

CDMA   2G / 3G
band 27 / BC10 / 800 MHz   ESMR (Americas (T-Mobile))
band 5 / BC0 / 850 MHz   Cellular (Americas, Oceania, Brazil, Israel)
band 2 / BC1 / 1900 MHz   PCS (Americas)

GSM   2G
band 5 / 850 MHz   Cellular (Americas, Oceania, Brazil, Israel)
band 8 / 900 MHz   (Europe, Asia, Africa)
band 3 / 1800 MHz   DCS (Europe, Asia, Africa)
band 2 / 1900 MHz   PCS (Americas)
 
T-Mobile / Metro version does not support LTE 13/14/29/30 and CDMA / Spectrum version does not support LTE 12/14/25/26/29/30/41/66/71
Data Technology LTE (Cat 6)
SIM card size Nano   4FF

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Features

 
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Barometer -
Fingerprint Reader Type: stand-alone
Flashlight Yes
Ruggedized -
VR-ready -
Water-Resistant -
Accessibility
Hearing Aid Compatible Rating: M3, T3 (mostly tele-coil compatible)
some versions rated M4, T3
TTY/TDD (Digital) Yes
Alerts
Extra Display -
Ringer Profiles -
Connectivity
Bluetooth Supported Profiles: HSP, HFP, OPP, PBA, A2DP, AVRC, HID 1.1, PAN, SAP, MAP, HDP
version 5.0
Infrared (IR) -
MirrorLink -
NFC Some versions only
only on AT&T (postpaid), T-Mobile, and Metro versions
USB Connector: Micro-USB
UWB -
Wi-Fi Version: 5 (802.11 a,ac,b,g,n)
Customization
Changeable Body Plates -
Data & Network
Dual-SIM -
Input
Side Keys volume, Google Assistant on left / lock on right
Stylus -
Text Keyboard, Hardware -
Touch Screen Type: Capacitive
Memory
Memory Card Slot Card Type: microSD
up to 2 TB
Music
FM Radio Yes
Headphone Jack (3.5mm) Yes
Stereo Speakers -
Photo & Video
DLNA Yes
Miracast -
TV Output -
Power
Fast Charging -
Wireless Charging -
Voice
Call Screening -
HD Voice Yes
Push-To-Talk -
Speaker Phone Yes

More  

FCC IDs ZNFX420QM »   approved Apr 15, 2019
ZNFX420MM »   approved May 28, 2019
ZNFX420AS »
ZNFX420TM »

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