Reset System UI ROOT is a free Android application developed by iUtilities that allows you to restart Android SystemUI with just one tap. This app is designed to fix several crashes that result from the SystemUI package, such as "System UI has stopped working," "Unfortunately System UI has stopped," and "System UI is not responding."

However, it is important to note that in order for the app to work properly, your smartphone or tablet must be rooted. Once rooted, you can restart the System UI without having to reboot your Android device.

Overall, Reset System UI ROOT is a useful tool for those who experience issues with the SystemUI package on their rooted Android devices.