OnePlus India — One plus 2

Address:

Bhopal, Madhya Pradesh, 462001

My one plus 2 phone was working alright before 2 days, but when i updated this to new version 6.1, my phone was working stop, touch is not responding, but home button and back button are working fine but touch screen isn't working ... i format and reboot my phn many times but it's not working ... in starting after format it's working bt after some time again not working... please help me in this issue...