Right now you may be worried about the fact that you have received this message on your mobile in which they tell you that the system UI does not respond. You don’t know what to do, some processes start to fail and you fear that your phone will die.
It does not have to be serious, but it is worrying when you meet him and fear that your mobile will turn off without you being able to do anything to revive him. But don’t worry, in most cases it is easily fixed and never happens again.

Of course, if it is repeated a lot over time, you will have to try to find the focus of the problem as soon as possible because that is worrying. If you do not find what is happening, it is better to contact a specialist. In any case, we tell you how you should act from the first moment.
The solution to this system failure is very simple.
It is a system failure, which can be expressed with a similar phrase depending on the mobile you have. Most likely, there is a file that has not completed its download or there is a pending process in the system , which affects the normal performance of your device.
Most likely, it prevents you from doing exactly what you want. It could also be that there is an incompatible app, so review what you have done before the problem occurred to know what may be happening.

When the system UI error appears on Android do nothing , press wait or close the application. The most effective is usually to close the app and wait a bit before trying again, although you can also wait for it to react.
If it happens more than once, once you have control of the device, try rebooting. In many cases, that alone fixes the problem forever. In fact, we have managed to fix it like this on several occasions and so far the problems have not returned. You can, before doing so, try to close the applications in the background because they may be consuming a lot of resources and the mobile does not give more of itself.
If this is not the case, the best thing you can do is free memory because there is something that is consuming the resources or perhaps what happens is that it is full. Delete videos, uninstall apps you don’t use and get rid of everything you don’t need. You can use the cleaning tool of your mobile or install Google Files, from where it will be very easy for you to eliminate the garbage of the mobile.
If you have recently installed an app, remove it as soon as possible and try to see if this is the problem. If what happens is that you are trying to open it, force the closing. It may also happen that you have installed an update that is causing the failures, in which case it is best to go back to the previous one. Then reboot for the changes to take effect.
In the most severe cases, do this
In a case with no apparent solution, you may have to end up formatting your device or going to technical service , but in most situations it is usually fixed with the steps mentioned above. The most radical solution to restore the phone is to make a backup and go to the phone settings.
From there you will go to the Backup and reset section to reset the factory data. The system will be like new, but without everything you have installed and had on the mobile. Therefore, it is better that you leave it as a last resort.

In any case, if you don’t know what to do or it still doesn’t work after trying everything , it’s better to contact a technician or specialist before the situation worsens. You may inadvertently end up giving where you shouldn’t and the situation worsens.