Google authenticator codes not working for Facebook 2 Factor

Do you use SMS for two-factor authentication? Don't. - CNET

My two-factor authentication (2FA) codes are not working, what do I do?

How to bypass Facebook 2-FA - Quora

8 Fixes To Facebook 2 Factor Authentication Not Working - Hollyland

How to Resolve Facebook Two-Factor Authentication not Working?, by Eva Jones, Technology Hits

Easy Two Factor Authentication (2FA) with Google Authenticator & PHP, by Rich Barrett

Troubleshooting two-factor authentication – Squarespace Help Center

Multi-Factor Authentication: Who Has It and How to Set It Up

Facebook's new two-factor authentication process no longer requires a phone number - The Verge

How to set up Facebook with TypingDNA Authenticator - TypingDNA Authenticator