Entry-level · 2019

LG K40

Our Take
CPU capability matches entry-level phones like Samsung Galaxy A04e
Extras Rugged build
Watch out No more updates, HD+ display, not Full HD
Skip if You watch a lot of video or play demanding games
Compare

Full specifications

Display

5.7″ · IPS LCD · 720 × 1440 · 60 Hz
Basic

A standard LCD panel. Fine indoors, watch out for sunlight legibility.

Screen size
5.7"
Panel type
IPS LCD
Resolution
720 × 1440 px
Refresh rate
60 Hz
Slow for 2026
HDR
Not listed

Performance

Mediatek MT6762 Helio P22 (12 nm) · 8-core 2.0 GHz · PowerVR GE8320
Basic CPU

Best for calls, messaging, and very light browsing. Avoid heavy multitasking.

Chipset
Mediatek MT6762 Helio P22 (12 nm)
Current CPU tier
Entry-level
CPU
8-core, 2.0 GHz
GPU
PowerVR GE8320
Process
12 nm
RAM type
LPDDR3 RAM
CPU layout
4x Cortex A53 2.0 GHz + 4x Cortex A53 1.5 GHz

Software & updates

Android 8.1 (Oreo), LG UX 7 · 2-year support (brand estimate)
Likely end of life

This phone is past its update window — it still works, but new Android versions and most security patches have stopped.

Operating system
Android 8.1 (Oreo), LG UX 7
Software support
2 years of updates (brand estimate)
Updates remaining
None — past its update window

Camera

16 MP f/2.0 main · 8 MP selfie

A standard camera setup — sharp in daylight, expect noise in low light.

Main camera
16 MP f/2.0
Front camera
8 MP f/2.0
Main sensor
1µm
Slow motion
No, 30 fps
Video
1080p @ 30 fps

Battery

3000 mAh
Plan to charge daily

Small by today's standards. Plan on charging once a day, twice if you're heavy.

Capacity
3000 mAh
Removable
No

Memory

2 GB RAM · 32 GB · expandable
Tight
RAM
2 GB
Tight for 2026
Storage
32 GB
Fills fast
Configurations
2/32GB · 3/32GB
Storage type
eMMC 5.1
Expandable
Yes

Connectivity

4G LTE · NFC · Wi-Fi 5
5G
No
4G LTE
Yes
NFC
Yes
Contactless
Wi-Fi
Wi-Fi 5
Bluetooth
5.0
GPS systems
GPS, A-GPS, GLONASS, Beidou
USB
Micro-USB 2.0
USB OTG
Yes
3.5mm jack
Yes
IR blaster
No
SIM
1× Nano-SIM

Network bands

4G works on all four carriers — no 5G

Radio bands decide whether this phone sees MTN, Glo, Airtel or 9mobile towers — and how strong the signal holds indoors.

M MTN
4G full · no 5G
Full
A Airtel
4G full · no 5G
Full
G Glo
4G works No B28 — signal can get weak indoors and outside the big cities.
Works
9 9mobile
4G full
Full

The bands Nigerian networks use

B3 main band
M A G 9
B7 extra speed
M
B20 indoor reach
M
B28 indoor reach
G
n78 the 5G band
M A

The dots show which network uses each band. ✓ means this phone has it, ✗ means it doesn't.

All reported bands

2G B2, B3, B5, B8
3G B1, B2, B5, B8
4G B1, B3, B5, B7, B8, B20

Build & Design

144 g · 8.3 mm
Height
153.0 mm
Width
71.9 mm
Thickness
8.3 mm
Weight
144 g

Sensors

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

Images and battery life estimates from GSMArena

How it stacks up against the rest.

A few phones around the same price, so you can see what this one does better and what it gives up.

vs

Apple iPhone 11

Loses on most 5 losses
Lower-resolution screen
720 × 1440 vs 828 × 1792 resolution · 5.7″ vs 6.1″ screen
Lower performance tier
Entry-level vs Upper mid-range tier
Less stable camera
No OIS vs OIS · 1080p @ 30 fps vs 4K @ 60 fps video · 16 MP · f/2.0 vs 12 MP · f/1.8 main
Less protected
None vs IP68 protection
Starts with less storage
32 GB vs 64 GB baseline
vs

Samsung Galaxy S10e

Loses on most 5 losses
Lower-resolution screen
IPS LCD vs Dynamic AMOLED panel · 720 × 1440 vs 1080 × 2280 resolution
Lower performance tier
Entry-level vs Mid-range tier
Less stable camera
No OIS vs OIS · 1080p @ 30 fps vs 4K @ 60 fps video · 16 MP · f/2.0 vs 12 MP · f/1.5 main
Less protected
None vs IP68 protection
Starts with less storage
32 GB vs 128 GB baseline

Where to buy

We don't have any listings for this phone yet. Try searching on Konga or Jiji.