My UI system is closing

stefanfun5

New member
Mar 31, 2016
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Today my UI system have some problem , the system is blocking and I don't know what can I do.?? Please somebody help me.
 
Welcome to Android Central! Which phone? Are you getting an error message, and if so, what exactly does it say? Does this persist after a reboot? How about in Safe Mode? On most Android devices, while powered on, press and hold Power until the Power Off menu appears. Press and hold the Power Off selection until the Safe Mode prompt appears. Tap OK.