Nokia C21 mobile was launched on 27th February 2022. The phone comes with a 6.52-inch touchscreen display with a resolution of 720x1600 pixels and an aspect ratio of 20:9. Nokia C21 is powered by an octa-core Unisoc SC9863A processor. It comes with 2GB of RAM. The Nokia C21 runs Android 11 (Go edition) and is powered by a 3000mAh battery.

As far as the cameras are concerned, the Nokia C21 on the rear packs 8-megapixel camera. The rear camera setup has autofocus. It has a single front camera setup for selfies, featuring a 5-megapixel sensor.

Nokia C21 is based on Android 11 (Go edition) and packs 32GB of inbuilt storage. The Nokia C21 is a dual-SIM (GSM and GSM) mobile that accepts Nano-SIM and Nano-SIM cards. The Nokia C21 measures 169.90 x 77.90 x 8.80mm (height x width x thickness) and weighs 195.00 grams. It was launched in Dark Blue and Warm Grey colours.

Connectivity options on the Nokia C21 include Wi-Fi 802.11 b/g/n, GPS, Bluetooth v4.20, USB OTG, Micro-USB, 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.