g935p frp reset not done, phone restart on logo

as above

tried to remove frp but thats all i get:


Checking local file... OK
Searching server... OK
Compare local and server file... OK (up to date)
Searching USB Flash interface... COM71 detected
Setup connection... OK
Reading data from phone... OK
Sending data to phone... OK
Waiting ADB device... timeout
Phone not found

Done with Samsung Tool PRO v.30.9

now phone hangs on logo...how to solve this?