Fly v100
White display of screen

I had purchase fly v100 phone on the month of july but after five months white display problem occurred and i had given to the service center("nokiacare", near arnapurna theatre (STATE;orissa;DIST;cuttack, india)). This problem was solved for few days only because now my

mobile is again showing the same problem. IMEI: 356845013276736. so what to do now, tell me...

(PH.NO;-9778435861)