Default [q] cubot one problem

hi my cubot one phone I have on my phone problem phone evil does not take phone calls during my voice, face do not go I the problem of evil connector from the card might be thought the card completely changed the issue is still not resolved by the oddly the phone's back cover is open, the problem does not close the back cover of is a problem of the phone what the microphone What you are trying to charge the cause of this trouble is caused by the sound of music coming in my country can not move the phone in for repair for rare where I would ask you to help