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.

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 ...

How to fix “Process system isn’t responding” bug If your Note5 keeps showing “Process system isn’t responding” bug all the time, that can be an issue with the operating system.

Solution #5: Reset all settings If the “System UI isn’t responding” bug still occurs at this point, your should try a broader way to address it by dealing with almost all Android settings.