samsung T813 trying unlock frp but not working

Hi team im trying to unlock frp for table t813
always showing me this how do i enable adb if have frp on?
and there no boot file to flash?
Code:

Operation: Reset FRP
Selected model: SM-T813
Software version: 26.9

You must activate ADB before reset FRP  Yes
Goto 'Terms and conditions' press 'NEXT' and 'AGREE' EULA  Yes
Waiting ADB device... timeout
Phone not found
First activate ADB

Done with Samsung Tool PRO v.26.9