The LG K42 comes with a quad rear camera, and a dedicated Google Assistant button. It is offered in two colours and comes equipped with a MediaTek Helio P22 SoC coupled with 3GB of RAM and 64GB of storage. The LG K42 is offered with a 6.6-inch HD+ hole punch display.

The LG K42 features a quad rear camera with a 13-megapixel primary sensor, a 5-megapixel superwide snapper, a 2-megapixel depth sensor, and a 2-megapixel macro shooter. On the front, the smartphone comes with an 8-megapixel selfie camera.
The smartphone comes with MIL-STD-810G certification, and an anti-scratch UV coating. The smartphone houses a 4,000mAh battery, and a dedicated button for accessing the Google Assistant virtual assistant.