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Facebook sends a login code to your mobile phone number. The official SMS short code is Authentication App: Use third-party apps like Google Authenticator to generate codes. Recovery Codes:
Check your browser's address bar. If you see ://facebook.com or ://facebook.com , manually delete the "m." or "touch." prefix, replace it with www. , and press Enter. Crucial Security Practices for Desktop Logins facebook com desktop login
Use one of the backup codes you saved when first setting up 2FA. Security Key: Facebook sends a login code to your mobile phone number
Review your settings menu under Security and Login to see a list of active sessions. If you spot an unfamiliar computer or location, click Log Out immediately. If you see ://facebook
: The Accounts Center features a security dashboard showing every active session. If you see a desktop device or location you do not recognize, click on it and select Log Out to terminate that session immediately.
The "Remember Password" or "Keep me logged in" prompt is convenient but dangerous on shared hardware.
Tap the aA icon in the address bar and select Request Desktop Website . Common Facebook Desktop Login Issues and Solutions