The “Load factory settings” function corresponds to resetting the FritzBox. Now please wait a few minutes, as the process may take a while.There you will find the 'Load factory settings' button in the 'Factory settings' tab.Provided that you still have the password for the admin area of the FritzBox, you can also easily do the reset via this user interface. Resetting the FritzBox via the admin area Via System> Backup you can save the FritzBox settings and restore them later. There under the point 'Save' create a file with all settings and download it.
Log into the FritzBox user interface ( ).