SAMSUNG A21s touch screen not working , before it was not working when kept on flat surface , today suddenly the whole touch screen stopped working I'm unable to restart the phone.
once go to recovery mode and try if after that same issue persist then do visit service centre
1) Turn off the device.
(Connect with type C cable/type C earphone only for Android 11)
2) Press and hold the Volume Up key and the power button. 3) When the Android logo displays, release all keys. 4) Press the Volume down key to navigate and select "Wipe cache partition". 5) Press Power key to select. When the wipe cache partition is complete, Select Reboot System. 6) Press the Power key to restart the device.
