I will show you three methods to fixing “unfortunately system UI has stopped” error on Android devices.
Whenever this system UI error occurs on your Android device, your smartphone will be less responsive, and some of your apps will seize to work. This results to freezing and hanging of your phone.
But what is the reason for this Android system error? Why does it usually happen? Well, this mostly happen due to so many reasons e.g recent app updates, Google app update or third party installation.So long you are using an Android device, Tecno, Infinix, Samsung, Gionee, Xiaomi etc, you may experience this error and here are simple steps to fixing it below;
HOW TO FIX SYSTEM UI HAS STOPPED WORKING ON ANDROID
There is no one way of fixing this error message but in most cases, the first method is recorded because it has helped fix
Restart Your Device: with a simple restart, the error is fixed without the need for any other solution. So before you go ahead with any solution try out to see if the Error still persists and based on that you can go ahead with the other solutions mentioned below.
Uninstall Google Update:
Go to Settings –> then tap on Application Manager or App -> search for Google App and tap on it -> now tap on Uninstall updates option to stop the updates. Restart your Android device and check if the Error is fixed or not.
1)Navigate to your device “Settings”;
2) Select “Applications”, tap on “Menu”;
3) Select “Show system application” in pull-down menu;
4) Then find “System Interface” among all applications. In “Memory” section perform clearing all data and cache.
Restart your device and everything should be back to normal.
My experience with Android OS also shows that phones with bigger RAM size are less likely to get this error issues.