Hello ..Since morning I am facing issue in vibration mode..Its not working. I wasnt able to attend calls because I didnt feel vibration. My phone is almist always on vibration. This is disturbing me now. Kindly help me. 

I was converting video in Inshot app when suddenly it stooped working n this mesg pop up "System UI not responding" ... What does it mean?? Why its stopped working.. can anyone guide me please because i faced this issue in my old phone too..