System Ui App Has Stopped. Suddenly it started to give this error: This repair tool is used worldwide by pretentious users to fix all “system ui has stopped”, android.process.acore has stopped as well as unfortunately the process.com.android.phone has stopped and other issues related to android system.
Reasons behind unfortunately, system ui has stopped error System ui has stopped working. Here’s how to fix unfortunately system ui has stopped working in android:
There's more information in another thread at < unfortunately system ui has stopped >.
Choose the app you think is causing the issue on your device. After reboot, i get the system ui has stopped message and a black screen. Scroll down until show “system ui” & tap on it. At this time, stop searching on the internet and trying every method you find cause one wrong selection can wipe your data on android phone.