You have enabled Multi-Factor Authentication (MFA) for your AWS root account and you lost your MFA device. What do you need to do to recover access to your account?

You cannot recover access to your AWS root account. Contact AWS support.
An email will be sent to the email address on file to verify ownership of the account. You will then need to provide the phone number on the account.
An email will be sent to the email address on file. After clicking in the link in your email, provide one of the MFA recovery codes that were created when MFA was enabled.
Use the AWS CLI with the root account access token to disable MFA on the root account. Then use the CLI to set a new password on the root account.