Samsung 8000 Series User Manual page 318

6. When done, select OK.
Remove from TV Account List: Cancels all
your current registered Service Accounts
that you registered on the Register Service
Account screen.
Deactivate Account: Deactivates your
Samsung Account and deletes it and all your
account settings entirely from the Smart
Hub.
Face recognition: Register your face in your
Samsung account. For more information
about Face registration, refer to "Face
recognition" in the SMART Interaction