Two-factor authentication is a security feature that helps protect your Facebook account in addition to your password. If you set up two-factor authentication, you'll be asked to enter a special login code or confirm your login attempt each time someone tries accessing Facebook from a browser or mobile device we don't recognize.
To turn on or manage two-factor authentication:
- Go to your Security and Login Settings.
- Scroll down to Use two-factor authentication and click Edit.
- Choose the security method you want to add and follow the on-screen instructions.
When you set up two-factor authentication on Facebook, you’ll be asked to choose one of two security methods:
- Login codes from a third party authentication app.
- Text message (SMS) codes from your mobile phone.
You'll need to have at least one of these set up in order to use two-factor authentication. Once you have added either text message (SMS) codes or a third party authentication app on your account, you'll also be able to set up some of the optional methods below:
- Approving your login attempt from a device we recognize.
- Using one of your recovery codes.
- Tapping your security key on a compatible device.
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