A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation
On a new Galaxy phone, Microsoft Authenticator is not installed or set up by default. The sign-in screen is asking for approval from the Microsoft Authenticator app (or another authenticator method) that was previously configured on the Hotmail (Microsoft) account.
To get past the prompt, either:
- Install and set up Microsoft Authenticator on the Galaxy S26+
- On the Galaxy, install the Microsoft Authenticator app from the app store.
- On a browser, go to the Microsoft account Security page: https://account.microsoft.com/security and sign in to the Hotmail account.
- Select Manage how I sign in.
- Select Add a new way to sign in or verify.
- Choose Use an app.
- On the screen, select Get it now if needed, or Set up a different Authenticator app, then Next to show the QR code.
- On the Galaxy, open Authenticator, tap the + icon, choose Personal account, then Scan a QR code and scan the code shown in the browser.
- Complete the prompts so Authenticator is added as a sign-in method.
- Or, use Outlook mobile as the authenticator (Android only)
- Install Outlook for Android on the Galaxy.
- Sign in with the Hotmail account.
- If going passwordless, follow the steps under I need to set up an Authenticator app:
- Sign in to the Microsoft account Additional security options.
- Under Passwordless account, select Turn on.
- Follow the prompts and approve the request in Outlook or Authenticator.
Once Authenticator (or Outlook mobile) is set up on the Galaxy, when the sign-in page shows a number and says to use the Authenticator, open the app on the phone, tap the notification or the account, enter or tap the matching number, and approve the sign-in.
If the account was previously protected by Authenticator on an old phone and that phone is no longer available, sign in to the Microsoft account security page in a browser using any available verification method (SMS, email, backup method), then add the new Authenticator on the Galaxy using the steps above.
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