A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation
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When you change to a new phone, the Microsoft Authenticator app doesn’t automatically transfer your account settings because the multi-factor authentication (MFA) configuration is linked to the specific device where it was originally set up.
Because your account is school account, it is managed by your school's IT department. Microsoft doesn't have direct access to reset authentication settings for organization-managed accounts. You can contact your organization's IT administrator (send them email if you are also on school break) and request a reset of your MFA settings by following this article: Manage authentication methods for Microsoft Entra multifactor authentication - Microsoft Entra ID | Microsoft Learn
Once the reset is complete, you will be prompted to reset the authentication app from scratch when you log in to your new phone.
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