Bhai Q2-3 Se lekar aapko s21 fe mein bhi one ui 6.1

Good but I have done

1: Adjust the Display brightness, follow the below stepStep1: Navigate to apps screen and tap on Settings.Step2: Tap on Display.Step3: Adjust the brightness.If the issue still persists then Reset the device settings by navigating to Settings >> Gener...

It was a mistake

Sorry for the mye