Can’t login to my Facebook account because it’s connected to Authenticator from old phone

If you are unable to access your Facebook account because it's connected to the Microsoft Authenticator app on your old phone, you will need to reset your multi-factor authentication (MFA) settings. Unfortunately, there is no direct email support for the Microsoft Authenticator app. Instead, you can follow these steps to regain access:

1. Contact Facebook Support: Since your issue is related to your Facebook account, the best course of action is to reach out to Facebook support for assistance with resetting your MFA settings.
2. Use Backup Codes: If you have backup codes provided by Facebook when you set up MFA, you can use those to log in.
3. Reset MFA: If you have access to another method of verification (like an email or phone number associated with your Facebook account), you can use that to reset your MFA settings.
4. Check Microsoft Support: For issues specifically related to the Microsoft Authenticator app, you can visit the Microsoft support site for guidance on managing your MFA settings, but direct email support is not available.

If you often face issues with MFA, consider using the Microsoft Authenticator app on a device you have consistent access to, as it can generate codes even without a signal.

References:

• Frequently asked questions about Microsoft Entra multifactor authentication
• Can't set up MFA because five devices are already registered to use an authenticator app