LG K40

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Full Specifications September 5, 2026

LG · 2019

LG K40

Name: LG K40
Brand: LG

LG K40 Android smartphone. Announced Feb 2019. Features 5.7″ display, MT6762 Helio P22 chipset, 3000 mAh battery, 32 GB storage, 3 GB RAM, MIL-STD-810G compliant.

Display 5.7"

Chipset Helio P22

RAM 2/3 GB

Storage 32GB storage, microSDXC

Camera 16 MP

Battery 3000 mAh

OS Android 8.1, LG UX 7

Build 144g, 8.3mm thickness

Launch

Announced 2019, February. Released 2019, April

Status Discontinued

Platform

OS Android 8.1 (Oreo), LG UX 7

Chipset Mediatek MT6762 Helio P22 (12 nm)

CPU Octa-core 2.0 GHz Cortex-A53

GPU PowerVR GE8320

Display

Type IPS LCD

Size 5.7 inches, 83.8 cm 2 (~76.2% screen-to-body ratio)

Resolution 720 x 1440 pixels, 18:9 ratio (~282 ppi density)

Memory

Card slot microSDXC (dedicated slot)

Internal 32GB 2GB RAM, 32GB 3GB RAM

memoryother eMMC 5.1

Main Camera

Single 16 MP, f/2.0, 1/3.1", 1.0µm, PDAF

Features LED flash, panorama, HDR

Video 1080p@30fps

Selfie camera

Single 8 MP, f/2.0

Features LED flash

Video 1080p@30fps

Body

Dimensions 153 x 71.9 x 8.3 mm (6.02 x 2.83 x 0.33 in)

Weight 144 g (5.08 oz)

Build Glass front, plastic back, plastic frame

SIM · Nano-SIM · Nano-SIM + Nano-SIM

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

Battery

Type Li-Ion 3000 mAh, non-removable

Sound

Loudspeaker Yes

3.5mm jack Yes

Comms

WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA

Bluetooth 5.0, A2DP, LE

Positioning GPS, GLONASS

NFC Yes (market/region dependent)

Radio No

USB microUSB 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

Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps

Features

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

Misc

Colors Black, New Moroccan Blue, New Platinum Gray

Models LMX420, LMX420EMW, LM-X420

In depth

Full specifications

Announced	2019, February. Released 2019, April
Status	Discontinued

OS	Android 8.1 (Oreo), LG UX 7
Chipset	Mediatek MT6762 Helio P22 (12 nm)
CPU	Octa-core 2.0 GHz Cortex-A53
GPU	PowerVR GE8320

Type	IPS LCD
Size	5.7 inches, 83.8 cm 2 (~76.2% screen-to-body ratio)
Resolution	720 x 1440 pixels, 18:9 ratio (~282 ppi density)

Card slot	microSDXC (dedicated slot)
Internal	32GB 2GB RAM, 32GB 3GB RAM
memoryother	eMMC 5.1

Single	16 MP, f/2.0, 1/3.1", 1.0µm, PDAF
Features	LED flash, panorama, HDR
Video	1080p@30fps

Single	8 MP, f/2.0
Features	LED flash
Video	1080p@30fps

Dimensions	153 x 71.9 x 8.3 mm (6.02 x 2.83 x 0.33 in)
Weight	144 g (5.08 oz)
Build	Glass front, plastic back, plastic frame
SIM	· Nano-SIM · Nano-SIM + Nano-SIM
bodyother	MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions

Type	Li-Ion 3000 mAh, non-removable

Loudspeaker	Yes
3.5mm jack	Yes

WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Bluetooth	5.0, A2DP, LE
Positioning	GPS, GLONASS
NFC	Yes (market/region dependent)
Radio	No
USB	microUSB 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
Speed	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps

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

Colors	Black, New Moroccan Blue, New Platinum Gray
Models	LMX420, LMX420EMW, LM-X420
Price	About 140 EUR

PhoneInsight Benchmark

25.8/100

Entry-level

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

Processor 14.8

Display 55.3

Camera 52

Battery 47

0.1%Popularity rank

670,946 hitsTotal views

LG K40

Launch

Platform

Display

Memory

Main Camera

Selfie camera

Body

Battery

Sound

Comms

Network

Features

Misc

Full specifications

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