The LG K42 runs LG UX is based on Android 10 and packs 64GB of inbuilt storage. The LG K42 is a dual-SIM (GSM and GSM) mobile that accepts Nano-SIM and Nano-SIM cards. The LG K42 measures 165.00 x 76.70 x 8.40mm (height x width x thickness) and weighs 182.00 grams. It was launched in Grey and Green colours. It bears a polycarbonate body. Connectivity options on the LG K42 include Wi-Fi, GPS, Bluetooth v5.00, USB Type-C, 3G, and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include accelerometer, ambient light sensor, proximity sensor, and fingerprint sensor.