LG K40

Specifications

2019, February. Released 2019, April Coming Soon
LG K40
Display
5.7"
720x1440 pixels
Camera
16 MP
1080p
RAM & Chipset
2/3 GB RAM
Helio P22
Battery
3000 mAh

Detailed Specifications

Full technical breakdown of LG K40

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

Launch

Announced
2019, February. Released 2019, April
Status
Discontinued

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

Display

Type
IPS LCD
Size
5.7 inches, 83.8 cm2 (~76.2% screen-to-body ratio)
Resolution
720 x 1440 pixels, 18:9 ratio (~282 ppi density)

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

Memory

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

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

Features

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

Battery

Type
Li-Ion 3000 mAh, non-removable

Misc

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

LG K40 — Complete Review & Specifications 2026

Everything you need to know about the LG K40 before buying

The smartphone market continues to expand with exciting new releases, and the LG K40 is one of the devices that has captured the attention of tech enthusiasts and everyday users alike. Whether you are considering purchasing the LG K40 as your next daily driver or simply want to understand what this device has to offer, this comprehensive review will walk you through every important aspect of its specifications and help you decide if it is the right phone for you. At PhoneSpecs, we provide detailed, accurate specification data so you can make informed purchasing decisions with confidence.

Design and Build Quality of the LG K40

First impressions matter, and the LG K40 delivers a design that reflects current smartphone trends. Modern smartphones are expected to combine aesthetics with durability, and the LG K40 aims to strike that balance. The device features a carefully crafted body that feels comfortable in the hand while maintaining a sleek, contemporary appearance. Build quality is an essential factor when investing in a new phone — you want a device that not only looks premium but can also withstand the rigors of daily use. The LG K40 incorporates materials and construction techniques designed to provide both visual appeal and structural integrity.

Display and Visual Experience

The display is the component you interact with most on any smartphone, and the LG K40 comes equipped with a screen designed to deliver an engaging visual experience. Whether you are scrolling through social media, watching streaming content, or playing games, the display quality significantly impacts your overall satisfaction. Key factors include resolution sharpness, color accuracy, brightness levels for outdoor visibility, and refresh rate smoothness. The LG K40 specification sheet on PhoneSpecs provides the exact display specifications so you can determine if the screen meets your standards.

Camera System and Photography

For many buyers, the camera system is the deciding factor when choosing a new smartphone. Modern smartphone photography uses multi-lens configurations, advanced AI processing, and sophisticated algorithms to produce images that rival dedicated cameras. The LG K40 camera system is engineered to handle various shooting scenarios — from bright daylight landscapes to challenging low-light environments, from ultra-wide group photos to detailed macro shots. Visit the full specification page on PhoneSpecs to explore the exact camera configuration, sensor details, and supported shooting modes.

Battery Life and Charging Technology

A smartphone is only as good as its battery life — no amount of impressive features matters if your phone dies halfway through the day. The LG K40 is equipped with a battery designed to keep up with your daily activities. Battery capacity provides a baseline estimate, but real-world performance depends on display efficiency, processor power management, and software optimization. Equally important is the charging technology — modern fast charging can dramatically reduce the time you spend tethered to a charger. Check the battery and charging details on PhoneSpecs.

Is the LG K40 Worth Buying?

Ultimately, whether the LG K40 is the right phone for you depends on your individual priorities, usage patterns, and budget. By reviewing the complete specification sheet available here on PhoneSpecs, you can compare every technical detail against competing devices to determine which phone truly offers the best value for your specific needs. Explore our extensive database to discover your perfect smartphone.

Starting Price
About 140 EUR

Get the LG K40 at the Best Price.

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