LG K42

View Specs

Full Specifications September 3, 2026

LG · 2020

LG K42

Name: LG K42
Brand: LG

LG K42 Android smartphone. Announced Sep 2020. Features 6.6″ display, MT6762 Helio P22 chipset, 4000 mAh battery, 64 GB storage, 3 GB RAM, MIL-STD-810G compliant.

Display 6.6"

Chipset Helio P22

RAM 3 GB

Storage 64GB storage, microSDXC

Camera 13 MP

Battery 4000 mAh

OS Android 10, up to Android 11

Build 182g, 8.4mm thickness

Launch

Announced 2020, September 21. Released 2020, September 21

Status Discontinued

Platform

OS Android 10, upgradable to Android 11

Chipset Mediatek MT6762 Helio P22 (12 nm)

CPU Octa-core 2.0 GHz Cortex-A53

GPU PowerVR GE8320

Display

Type IPS LCD

Size 6.6 inches, 105.2 cm 2 (~83.1% screen-to-body ratio)

Resolution 720 x 1600 pixels, 20:9 ratio (~266 ppi density)

Memory

Card slot microSDXC

Internal 64GB 3GB RAM

memoryother eMMC 5.1

Main Camera

Quad 13 MP, 27mm (wide), 1/3.1", 1.12µm, PDAF 5 MP, f/2.2, 115˚ (ultrawide), 1/5.0", 1.12µm 2 MP (macro) Auxiliary lens

Features LED flash, panorama, HDR

Video 1080p@30fps

Selfie camera

Single 8 MP, (wide)

Video 1080p@30fps

Body

Dimensions 165 x 76.7 x 8.4 mm (6.50 x 3.02 x 0.33 in)

Weight 182 g (6.42 oz)

SIM Nano-SIM + Nano-SIM

bodyother MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions

Battery

Type Li-Po 4000 mAh

Charging 10W wired

Sound

Loudspeaker Yes

3.5mm jack Yes

Comms

WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct

Bluetooth 5.0, A2DP, LE

Positioning GPS

NFC Yes (market/region dependent)

Radio No

USB USB Type-C 2.0, OTG

Network

Technology GSM / HSPA / LTE

2G bands GSM 850 / 900 / 1800 / 1900

3G bands HSDPA 850 / 900 / 1900 / 2100

4G bands 1, 3, 7, 8, 20, 28, 38 - Europe

Speed Yes, 384 kbps

Features

Sensors Fingerprint (side-mounted), accelerometer, proximity, compass

Misc

Colors Gray, Green

Models LMK420, LM-K420, LMK420H, LM-K420H, LMK420E, LM-K420E, LMK420Y, LM-K420Y

In depth

Full specifications

Announced	2020, September 21. Released 2020, September 21
Status	Discontinued

OS	Android 10, upgradable to Android 11
Chipset	Mediatek MT6762 Helio P22 (12 nm)
CPU	Octa-core 2.0 GHz Cortex-A53
GPU	PowerVR GE8320

Type	IPS LCD
Size	6.6 inches, 105.2 cm 2 (~83.1% screen-to-body ratio)
Resolution	720 x 1600 pixels, 20:9 ratio (~266 ppi density)

Card slot	microSDXC
Internal	64GB 3GB RAM
memoryother	eMMC 5.1

Quad	13 MP, 27mm (wide), 1/3.1", 1.12µm, PDAF 5 MP, f/2.2, 115˚ (ultrawide), 1/5.0", 1.12µm 2 MP (macro) Auxiliary lens
Features	LED flash, panorama, HDR
Video	1080p@30fps

Single	8 MP, (wide)
Video	1080p@30fps

Dimensions	165 x 76.7 x 8.4 mm (6.50 x 3.02 x 0.33 in)
Weight	182 g (6.42 oz)
SIM	Nano-SIM + Nano-SIM
bodyother	MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions

Type	Li-Po 4000 mAh
Charging	10W wired

Loudspeaker	Yes
3.5mm jack	Yes

WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth	5.0, A2DP, LE
Positioning	GPS
NFC	Yes (market/region dependent)
Radio	No
USB	USB Type-C 2.0, OTG

Technology	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 1900 / 2100
4G bands	1, 3, 7, 8, 20, 28, 38 - Europe
Speed	Yes, 384 kbps

Sensors	Fingerprint (side-mounted), accelerometer, proximity, compass

Colors	Gray, Green
Models	LMK420, LM-K420, LMK420H, LM-K420H, LMK420E, LM-K420E, LMK420Y, LM-K420Y
Price	About 140 EUR

PhoneInsight Benchmark

27.6/100

Entry-level

A specs-derived composite score, not a lab benchmark -- useful for ranking and comparison.

Processor 14.8

Display 56

Camera 56.6

Battery 60

0.1%Popularity rank

511,316 hitsTotal views

LG K42

Launch

Platform

Display

Memory

Main Camera

Selfie camera

Body

Battery

Sound

Comms

Network

Features

Misc

Full specifications

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