Removing Google Account on the phone will erase all of your data.
All described operations you are doing at your own risk.
If want saves your data do a backup before start.
The battery should be at least 50% charged before the start.
Google Account Protection Bypass Manual
Turn on your SONY Xperia XZ FZ8331 and select your language.
Connect to an available wifi network.
Back to a welcome screen.
Select Visual aids button.
Turn on TalkBack option.
Write on screen L letter to enable help menu.
Select TalkBack Settings.
Hold volume up and volume down button until you hear talkback suspended then release it.