Home / Celkon A21 / Soft Reset
How to Soft Reset — Celkon A21
How to Soft Reset — Celkon A21
The Celkon A21 is a 2014 Android 4.2.2 smartphone powered by the Mediatek MT6582 (28 nm) with 256MB and 512MB internal storage. It features a 4.0", TFT, 320.0x480.0 display and is available in Black, Blue, Red.
The A21 is equipped with a Li-Ion 1500 mAh battery, a 15 MP, Yes main camera, a 3 MP front camera. The device uses a Dual SIM (Dual stand-by) configuration. It weighs 115.3 g.
Performing a soft restart on your Celkon A21 is the quickest way to resolve minor performance issues, app freezes, or unresponsive touch screens without losing any data. Unlike a factory reset, a soft reset simply reboots the device and clears temporary memory, making it the recommended first step for any troubleshooting.
Does not erase any data. Always try this first.
On your Celkon A21: hold Power for 2 seconds
Tap 'Restart' or 'Reboot' in the menu
Wait ~30–60 seconds for the restart to complete
Force restart if frozen: hold Power for 10–15 seconds until screen goes black
Device reboots automatically — no data is lost
Was this guide helpful?