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LG K40

LG K40 Review, Specs, Features and Price

by Team TC

The LG K40 is the youngest siblings among the three smartphones released by LG ahead of Mobile World Congress 2019 at Barcelona, Spain. It’s the cheapest among the trio and features lower specs. The K40 features a military tough body with a MIL-STD-810G compliant. It is probably the only smartphone in this price category with such a feature.

LG K40

LG K40 Design

The phone is built to be a durable and rugged budget smartphone and still look attractive. It’s probably thick with an 8.3 mm in measurement. The front display of the K40 features visible bezels at the top and bottom. This is probably a wrong move from LG as we are clearly past the age of thick bezels especially at the top.

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Moving over to the back is a small rounded fingerprint sensor at the centre. Above the sensor, is a single camera with LED flash in a horizontal direction. The K40 is available in only Blue body colour.

Dimensions: 153 x 71.9 x 8.3 mm
Weight: –
Build: –
SIM: Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Colours: Blue
Loudspeaker: Yes
3.5 mm jack: Yes
– MIL-STD-810G compliant
– DTS: X Surround Sound
– Active noise cancellation with dedicated mic

LG K40 Display

The display is a 5.7 inches IPS LCD touchscreen with an 18:9 aspect ratio and 76.2% screen-to-body ratio. The display features 720 x 1440 pixels and 282 PPI density.

LG K40
  • Type: IPS LCD capacitive touchscreen
  • Size: 5.7 inches (76.2% screen-to-body ratio)
  • Resolution: 720 x 1440 pixels, 18:9 ratio (282 PPI density)


The LG K40 sports a 16MP rear camera sensor. The camera features HDR, Panorama, LED flash and able to shoot 1080p videos at 30fps. For selfies, the K40 sports an 8MP selfie camera with LED flash.

LG K40

Main Camera
Triple: 16 MP, PDAF
Features: LED flash, panorama, HDR
Video: 1080p@30fps

Selfie Camera
Single: 8 MP
Features: LED flash
Video: –


Powering the LG K40 is an Octa-core processor which clocks at 2.0 GHz. It features a 2GB RAM with 32 GB internal storage. Additional storage for up to 512 GB is done via microSD slot.

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Chipset: –
CPU: Octa-core 2.0 GHz
GPU: –
Memory: 2GB/32GB
MicroSD: up to 512 GB


The LG K40 runs on the latest Android 9.0 Pie with all of its features such as the Digital Wellbeing feature. This feature tells you how long you have spent on each app and you can set limits.

OS: Android 9.0 Pie
User Interface: –
Sensors: Fingerprint (rear-mounted), accelerometer, proximity


A decent non-removable Li-ion 3000 mAh battery powers the LG K40.

Type: Non-removable Li-Ion 3000 mAh battery
Charging: –


WLAN: Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot
Bluetooth: 4.2, A2DP, LE
GPS: Yes, with A-GPS
Radio: –
USB: microUSB 2.0

LG K40 Price

2GB/32GB: $190


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