If you're having trouble logging into your Facebook account, review these tips first. If you've turned on two-factor authentication, there are several ways you can get your security code or approve your …

With device login, your device shows an alphanumeric code and tells people to enter it on a web page on their desktop PC or smartphone. People using your app or service can then grant permissions.

Get security code for two-factor authentication to log into Facebook Using an app for two-factor authentication on Facebook Set up Facebook login recovery codes When and why to save your …

Learn more about how to get Facebook recovery login codes to use when you don't have your phone.

Learn more about how you can get your security code if you've turned on two-factor authentication.

When two-factor authentication is turned on, you'll be asked to enter a special login code or confirm your login attempt each time someone tries to access your Facebook from a browser or mobile device we …

If you turned on private browsing or set up your browser to clear your history every time it closes, you might have to enter a security code every time you log in. Learn more.

Either insert your security key into your computer and activate it by touching it, or if you have an NFC key, hold it near your computer's sensor (the location of the NFC sensor depends on your device).

If you can’t receive your two-factor authentication codes by phone or authentication app, there are still things you can do.

A third-party authentication app (such as Google Authenticator or LastPass) can be used to generate login codes that help us confirm it's you when you log in from a new device for the first time.