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.

Is your Android phone's System UI giving you trouble? Here are 8 ways to fix the System UI isn't responding error. We'll show you how to clear the cache, force stop ...

Unfortunately system UI has stopped fix #6: Install software and app updates Keeping the software and app updated is one of the effective means to lessen chances of encountering bugs.