Choose the Authentication App, then duplicate the key or scan the QR code to add your account. Enter your 6-digit code from your app to authenticate and finish setting up.

By following these steps, you can successfully log in to your Facebook account even without access to your two-factor authentication code.

If you do not have a code for your account, you will not be allowed access, which is why two-factor authentication is an essential additional step for security.

Android 15 blocks malicious apps from reading sensitive notifications with two-factor authentication codes. Here's how.

Proton today launched Proton Authenticator, a free two-factor authentication app available across all major platforms including iOS, Android, Windows, macOS, and Linux.