Tips to Close the Two Factor Authentication in Facebook
Firstly, please log in your Facebook
account to complete the setting. Click the "Settings". Choose the "Security and Login" to
continue and complete.
Click Edit to modify the Use two-factor authentication as following image shows.
Turn off the Two-factor authentic if
the two-factor authentic is on. The Two-factor authentic will be off as the image apply. And you
have completed the settings.