Why do I need a phone number when i have 2 fido2 security keys?

Chaos 0 Reputation points
2025-10-22T13:42:48.45+00:00

When i removed the passkey for this device ( after I removed my phone number) and i logged off and back in ( to test things out) it had a un skippable screen with :

  • Add your phone number to your account?

Why do i need a phone number if I already have 2 fido2 keys registered?

Microsoft Security | Microsoft Authenticator
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