The Nokia G21 comes with a 90 Hz refresh rate 6.50 -inch touchscreen display offering a resolution of 720x1600 pixels at a pixel density of 269 pixels per inch (ppi) and an aspect ratio of 20:9. The Nokia G21 runs Android and is powered by a 5050mAh battery. The Nokia G21 supports proprietary fast charging. The Nokia G21 on the rear packs a triple camera setup featuring a 50-megapixel primary camera; a 2-megapixel camera, and a 2-megapixel camera. It has a single front camera setup for selfies, featuring an 8-megapixel sensor. The Nokia G21 is a dual-SIM (GSM and GSM) mobile that accepts Nano-SIM and Nano-SIM cards.
Connectivity options on the Nokia G21 include Wi-Fi, NFC, USB Type-C, FM radio, 3G, and 4G. Sensors on the phone include accelerometer, ambient light sensor, gyroscope, and proximity sensor.