Two-Factor Authentication (2FA) is easy to integrate with Facebook by using the SAASPASS Authenticator(works with google services like gmail and dropbox etc.) and it's Multi-Factor Authentication (MFA) capabilities. The SAASPASS Authenticator supports the time-based one-time password (TOTP) standards. Download the SAASPASS app and setup the SAASPASS Authenticator.
You can find additional information on activating SAASPASS Authenticator into Facebook on this page.
Log into Facebook. In the upper right hand corner, click the gear icon and choose ‘Account Settings’.
On the left, choose ‘Security’. Check the box within ‘Login Approvals’.
Choose ‘Get Started’.
Enter your mobile number and click ‘Continue’.
Confirm the confirmation code sent to your mobile phone.
Then choose ‘Code Generator’ and ‘Set up’ another way to get security codes.
Open your SAASPASS app, choose ‘Authenticator’, ‘Facebook’, ‘Scan Barcode’, and scan the barcode on your screen with your app. Then enter the code produced by SAASPASS.
The key differences between Google Authenticator and SAASPASS Authenticator: