Tenant lockout – only Global Admin lost MFA device (Authenticator)

Hi Team

I am the only Global Administrator in our Microsoft Entra (Azure AD) tenant.

MFA is required and the only registered method was Microsoft Authenticator on my old phone that I have reset. There is nothing currently in the tenant as im only trying to setup a new company to migrate my emails too from an On-prem environment.

I cannot sign in to Entra/Azure/M365 admin portals to reset security info.

Request: Please escalate to Microsoft Support Data Protection to verify ownership and reset MFA registration.

Thank you!