Factory reset on Sony Bravia TVs

1. Unplug the TV from the power outlet.
2. Press and hold the button in the center at the bottom of the display.
3. Plug the TV into power and keep holding the button for at least 20 seconds.
4. The "Android" logo will appear and the TV will restart to factory settings.

Go to Settings > System > About > Reset > Factory Data Reset.

Warning:

Select “Factory Data Reset” and not "Erase data from …", as “Erase data from” will cause an error during ZTP.