How can I change my sign-in methode?

Drukkerij De Boek 20 Reputation points
2026-01-23T15:48:33.1+00:00

Via https://mysignins.microsoft.com/security-info I should be able to change the sign-in methode (text message in this case).

But I am getting an error when trying.

SMS.png

Microsoft Security | Microsoft Authenticator
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