The System UI app manages various user interface elements on your phone. Over time, the app accumulates temporary data, known as a cache, to help it perform tasks more efficiently.

When the System UI stops working on your Android device, you may experience problems such as the screen freezing, apps closing, buttons not responding, problems with notifications, or even the ...

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.