this is very simple solution with uart cable
SM-N920L FRP Reset successfully done
Platform: Samsung Android
Selected port: COM15
Selected model: SM-N920L
Please put the phone into Download Mode and connect USB cable.
Waiting for phone...
Reading PIT...
PIT was read successfully.
Searching for UART interface.. COM15
Connect Samsung Micro UART cable(with 525K resistor), press and hold "Vol-" + "Power" buttons for 15-20 seconds
Searching for device. Please wait...
Resetting FRP lock..
FRP / Reactivation lock is successfully reseted!
Performed by 2.6.1 Software version.