Disable authentication for a new or lost device
If your phone number has changed and you have a new phone or the mobile device used for authentication is lost, you can disable multifactor authentication (MFA) via email so that you can register MFA for your new phone or log in to your LastPass account without the mobile device that you lost.
About this task: To disable multifactor authentication for supported authenticators, do the following:
Results: You can now log in to LastPass with your email address and
master password, and will not be prompted to authenticate.
What to do next: The following options are recommended once you have logged back in to LastPass:
- If your device was lost or stolen, it is strongly recommended that you change your master password – learn how here.
- You can re-enable multifactor authentication for a new device – learn how here.