All smartphone manufacturers put their user interface on top of Android software to add custom functions developed by themselves.. These features may include custom AI software, Messenger service, calls and connectivity apps. This user interface handles almost all the basic functions of the mobile phone. However, recently there have been many reports of a bug in “The system interface has stopped working” on many Android devices.

In this article, We will discuss some of the reasons why this error can be triggered and provide you with workable solutions to ensure complete eradication of the problem..
What causes the error “The system user interface has stopped working”?
There is no specific cause for an error and it can arise for many reasons; However, some of the most common are listed below.
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Google app: sometimes, the Google app on your mobile may interfere with the phone's user interface and prevent it from working properly.
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Outdated software: phone manufacturers often provide Android software updates that also update certain features of the system user interface and also provide many bug fixes. The error may occur due to a bug in the software and a software update has been fixed that has not been applied to your device.
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Hidden: apps cache on device to reduce load time and give users a smoother experience. Over time, this cache can become corrupted and cause problems with certain elements of the system and prevent it from working properly.
Now that you have a basic understanding of the nature of the problem, we will look for solutions. Make sure to implement these solutions in the specific order in which they are listed to avoid conflicts. What's more, make sure you have a valid internet connection.
Solution 1: uninstall the google app
Google and its related applications could be interfering with certain elements of the system user interface and causing this problem.. Therefore, in this step we are going to uninstall all applications related to Google. For it:
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Unlock the phone and open the application »Google Play Store«.
Open the Google Play Store app
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Tap the Menu button in the upper left corner and select the option »My apps and games«.
By pressing the Menu button in the upper left corner
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Click on the tab »Installed» and scroll down to click on »Google«
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Press the button »Uninstall» and select »OK» in the warning message.
Clicking on Uninstall and then pressing "OK"
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Repeat this process for all »Google» applications on the list.
All other Google applications that must be uninstalled
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Restart the mobile and check if the problem persists.
Solution 2: check for software updates:
Phone manufacturers often provide Android software updates, which also update certain functions of the system user interface and also provide many bug fixes. Therefore, in this step, we will check if there are software updates available for the device. For that:
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Unlock the phone and open the settings.
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Scroll to the bottom and press the option »About device«.
Scroll to the bottom and press the option »About device«
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Click on the option »Software update» and select the option »Check for updates«.
Click on the option “Software update”
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If there is a new software update available, click on the »Download updates manually» option that appears after the verification process is complete.
Press the option Download updates manually
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Once the phone finishes downloading the update, will ask you to confirm the installation of the update, select »Yes» and the phone will restart.
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The update will install and the phone will start up in normal mode again, check if the problem persists.
Solution 3: wipe cache partition
If the cache stored on the device by applications is corrupted, can cause problems with the system user interface, as it interferes with certain elements of the operating system. Therefore, in this step we will clean the cache partition. For that:
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Press and hold the power button and select “Delete”.
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Hold down the buttons “Start” Y “Turn up the volume” simultaneously and then press and hold the button “Switched on” also.
Button mapping on Samsung devices
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When the Samsung logo screen appears, release only the key “Switched on”.
Animated Samsung logo while device starts up
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When the Android logo screen appears to release all keys, the display may show “Installing the system update” for a couple of minutes before displaying the Android Recovery Options.
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Press the ‘Volume down key’ until 'Wipe cache partition' is highlighted.
Navigating to option “Wipe cache partition”
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Press the button “Switched on” and wait for the device to clear the cache partition.
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When the process is complete, browse the list via the button “Lower volume” until highlighted “Reboot system now”.
Highlighting the option “Reboot system now” and pressing the power button
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Press the «Power» key to select the option and restart the device.
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After the device reboots, check if the problem persists.
Warning: proceed at your own risk and be very careful with this step because even a simple mistake can cause the phone software to be erased or even crash.
Open the Google Play Store app
By pressing the Menu button in the upper left corner
Clicking on Uninstall and then pressing "OK"
All other Google applications that must be uninstalled
Scroll to the bottom and press the option »About device«
Click on the option “Software update”
Press the option Download updates manually
Button mapping on Samsung devices
Animated Samsung logo while device starts up
Navigating to option “Wipe cache partition”
Highlighting the option “Reboot system now” and pressing the power button



