I also tried the G920V model:
UNLOCK INSTRUCTIONS:
1. Power on the phone.
2. Type *#0808# and select 'DM+MODEM+ADB'.
3. Type *#9090# and select 'DM/DUN over HSIC'.
Or use 'Activate Diag' function from 'Repair' tab.
4. Connect phone to PC with USB cable, install drivers if needed.
5. Select diagnostic port in port settings.
6. Press 'Unlock' button for direct unlock.
To reset Google account activation or Samsung reactivation lock:
1. Power on phone in download mode (turn off phone, press vol.down + home + power).
2. Connect phone to PC with USB cable, install drivers if needed.
3. Press 'Reset FRP/React/EE' to deactivate Google/Samsung/EE account activation lock.
4. After phone reboot, go to settings and perform factory reset.
Operation: Reset FRP/React/EE
Selected model: SM-G920V
Selected port: COM8 USB Serial Port
Software version: 27.7
Searching Samsung USB Flash interface... COM17 detected
Setup connection... Ok
Reading PIT from phone... Ok
Searching FRP lock... Ok
Erasing FRP lock... error
It looks like you have an unsucessful operation, try this link for solution -
inurl:f453 site:http://forum.gsmhosting.com/ "Selected model: SM-G920V" "Erasing FRP lock error" - Пошук Google
Done with Samsung Tool PRO v.27.7