my ui system isn't responding

[adminkiller]

Please help somebody 

[pradeepky]

sorry for your inconvenience,
please restart your phone in safe mode,
and then try to clear data of UI app from apps list in settings....

[Ehsank]

try these steps

A. Wipe Cache Partition.

Steps to perform.

1) Turn off the device.

(Connect with type C cable and connect withpc/laptop/type C earphone only for Android 11 )

2) Press and hold the Volume Up key and the spower 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.

B. Reset App Preferences.
Settings >Apps> Tap on Top Right 3Dots and select Reset App preferences.

C. Go to settings >general Management >reset>reset settings.

[Vrang]

Try Factory reset by backing up your data