Note: We may earn commissions (at no cost to you) if you buy through links on our site. Learn more.
LG K40
LG K40
LG K40
LG K40
LG K40
...


8.2/10
Informr score
The LG K40 currently has an Informr score of 8.2 out of 10. This score is based on our evaluation of 3 sources including reviews from users and the web's most trusted critics.


Android
Operating system
Operating system
Android
2 GHz
Processor
Processor
2 GHz
5.7"
Screen Size
Screen Size
5.7"
16+ MP, f/2.0
Camera
Camera
16+ MP, f/2.0
3000 mAh
Battery


What the Critics Are Saying...


Notebookcheck
Notebookcheck

The LG K40 would suit someone who needs an affordable smartphone with good battery life, decent call quality and solid connectivity. The MediaTek Helio P22 SoC cannot hold a candle to its Snapdragon competitors though.

- Florian Schmitt, Notebookcheck
TrustedReviews
TrustedReviews

An unassuming affordable mid-range phone that features a surprising amount of technology but throws up performance concerns and doesn't look like it can compete with rivals from the likes of Motorola.

- Alex Walker-Todd, TrustedReviews
TechRadar
TechRadar

The LG K40 is far from the most exciting phone announced at MWC 2019, but if you're looking for a budget phone this may sport enough tech for you.

- James Peckham, TechRadar


Prices (Where to Buy)




Common Questions


We've got you covered! Download a free PDF copy of the LG K40 user manual here.


LG backs up the K40 with a 1 Year parts & labour warranty.


If your K40 has problems and is still within its warranty period, you could contact LG support or the retailer you purchased the phone from. You'll find LG's contact information here. If your phone is off warranty and needs repair for a physical problem such as a broken screen or bad battery, you should visit an authorized service centre or a local phone repair shop. You can also connect with others in The Informr Community Forum to find and share answers to questions.



Ask the Community


No questions for the moment.


Resources


Manuals / User Guides Helpful Links Share / Embed

Maybe one of your friends will find this review helpful? Please help us spread the word.


Compare this phone to:

Quick view

Screen Size
5.7"

The LG K40's screen size is 5.7 inches with 720 x 1440 pixels resolution.

Processor
2 GHz

There is a MediaTek MT6762 Helio P22 (12 nm) Octa-core 2 GHz processor (CPU).

OS

The phone runs on the Android 8.1 Oreo operating system (OS).

Camera
16+ MP

You can take photos or capture video with the phone's onboard 16+ MP, f/2.0 camera.

There is also a secondary front facing camera with 8+ megapixels resolution.

Storage
32 GB

Internal memory is 32 GB. An external, MicroSD (up to 2048 GB) expansion slot is available for increased storage capacity.

Battery
3000mAh

The phone is powered by a Lithium Polymer (Li-Pol), 3000 mAh battery. LG's performance ratings are 480 minutes.

LG K40 Specs

Overview
Release Date April 30, 2019
Regions Available USA, United Kingdom
Operating System Android 8.1 Oreo

Compare Android Smartphones

Processor MediaTek MT6762 Helio P22 (12 nm) Octa-core 2 GHz
Internal Storage 32 GB
RAM 2 GB
Hearing Aid Compatible Yes
TTY/TDD Yes
Noise Cancellation Yes
SAR Head: 0.518 W/kg
Body: 1.579 W/kg
Manufacturer Warranty 1 Year
Accessories Included USB Power Adapter, Manual, Data Cable
Cellular
Networks
GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE
Mobile / Cellular Data
4G/LTE
Push-to-talk (PTT) No
Wi-Fi Calling Yes
Voice over LTE (VoLTE) Yes
SIM card size
Nano-SIM
Dual SIM Yes
Connectivity
USB Micro-USB 2.0
USB OTG Support Yes
GPS Type A-GPS
Infrared Yes
Bluetooth 5.0
Bluetooth Profiles A2DP, AVRCP, OPP/FTP, HFP, HSP
Bluetooth Audio Codecs AAC, aptX, aptX HD
Wi-Fi 802.11 a/b/g/n
Mobile Hotspot Yes
Memory Expansion Slot Yes
Expansion Slot Info MicroSD (up to 2048 GB)
NFC Yes
Data Tethering Compatibility Yes
Camera
Main Camera
Resolution / Aperture
16+ Megapixels, f/2.0
Zoom
Yes
Flash
Yes (LED)
Additional Rear Camera Info
Auto focus, Effects, Face detection, Geotagging, Image stabilization, ISO, Multi-shot, Panorama, Self-timer, White balance, HDR, PDAF, AI CAM
Video Recording Formats
MPEG-4
Video Recording Parameters
Full HD (1920 x 1080 pixels), 30 fps
Front Camera
Resolution / Aperture
8+ Megapixels
Additional Front Camera Info
Face detection, F/2.0, adjustable intensity LED flash
Video Recording Parameters
Full HD (1920 x 1080 pixels), 30 fps
Display / Screen
Type Color
Technology LCD (IPS)
Colors 16.7 million
Resolution 720 x 1440 pixels
Pixel Density 282 pixels
Size 5.7 inches
Secondary Display No
Sensors Proximity, Motion / Accelerometer, Digital Compass
Multi-Touch Yes
Fingerprint-Resistant Coating No
Additional Display Features Capacitive touchscreen
Power & Battery
Battery Type Lithium Polymer (Li-Pol)
Battery Capacity 3000 mAh
Removable Battery No
Wireless Charging No
Fast Charging No
Video Playback Time Up to 720 minutes
Internet Use (Wi-Fi) Unknown
Internet Use (Cellular) Unknown
Talk Time Up to 480 minutes
Standby Time Up to 4.2 days
Mixed Usage
Physical Characteristics
Design Type Bar
Material Plastic
Colors Black, New Moroccan Blue, New Platinum Gray
Dimensions [H x W x D] 15.3 x 7.19 x 0.83 cm (6 x 2.8 x 0.3 in)
Weight 144 grams
Water Resistant / Waterproof No
Rugged design No
IP Rating Unknown
Headset Jack 3.5mm
External Speakers Yes
Input / Navigation
Sleep / Wake Key Yes
Home Key No
Input / Keyboard Type Touchscreen
Navigation Type Touchscreen
External Volume Control Yes
Fingerprint Sensor Yes
More
Additional Information Other Names (AKA): LG K12+, LG K12 Plus, LG X4 (2019), LMX420EMW, Harmony 3
Related Links Quick Start Guide (PDF)
Manual (PDF)
LG K40 Reviews
Where to buy LG K40
Suggest a correction