Clear System UI Cache Another easy way to fix this is to clear the System UI cache. The System UI cache is a place where your phone stores temporary data that helps System UI to work properly.

If your Android phone has its own dedicated System UI app, you can clear its cache by following these steps: On your Android device, navigate to the Settings app.

Once you’ve reset the app settings on your Android system, restart your device and check for the Android System UI has stopped issue. Fix #7: Install software updates.

Samsung's One UI Android operating system implementation has received consistent praise for its feature set and customizable interface for years.