Cant sign in teams on mobile

Question

Cant sign in teams on mobile

Clara Radrizzani 0

Cant authenticate teams on my phone because teams automatically goes to authenticator app where I sign in and then asks me to insert X number on authenticator but it is still in authenticator and when I go back to teams it just cancels the request. Honestly, why link them if you are going to do it so inefficiently??? I’d prefer to just open the app and find the request. Some of the time, when I close authenticator and reopen the request appears but not as a number buy a “as this you trying to sign in”, I press yes and still it doesn't let me log in in teams. Happy to send screenshots to better explain.

Clara Radrizzani 0 Reputation points

2026-04-28T05:06:55.41+00:00

No button or anything to authenticate and it just leaves you on this page and if you move back it cancels request

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Clara Radrizzani 0 Reputation points

2026-04-28T05:06:55.41+00:00

No button or anything to authenticate and it just leaves you on this page and if you move back it cancels request

Answer 1

Helen Luu 665 Independent Advisor

Dear @Clara Radrizzani,

I understand that you are experiencing an issue while authenticating Microsoft Teams using Microsoft Authenticator.

Could you please provide a screenshot of what you see after entering the code and being redirected back to the Teams mobile app? Additionally, let me know the model and OS version of your mobile device. In the meantime, please try reinstalling the Teams app, restarting your device, and then attempt to sign in again.

As a workaround, you can try using the 6‑digit code from the Microsoft Authenticator app instead.

Open the Authenticator app, select your work account, and you will see a 6‑digit code that refreshes every 30 seconds. Please wait until it refreshes to a new code, then copy it.
Open Teams mobile. During the MFA step, tap Cancel when it asks you to enter the code from the Authenticator app, then select “Use a verification code” and paste the code you copied in step 1.

Please feel free to let me know if you have any update on this.

Helen Luu 665 Reputation points Independent Advisor

2026-04-29T07:01:06.5033333+00:00

Hello @Clara Radrizzani,

May I know if you have any update on this matter? If yes, please feel free to share with me.
Clara Radrizzani 0 Reputation points

2026-05-06T00:11:43.15+00:00

That option doesn’t appear for me. As in I cant find the button that says “use a verification code”. IOS 26.4.2. Also when the authentication message does appear, I press yes and it just doesn’t work when I go to the teams app. The problem is they are linked and its like the system thinks it is on teams when it is on

authenticator (automatically). Still haven’t been able to login, please it has been weeks now and I don’t understand why this is happening. Also don’t understand why it logged out either.
Helen Luu 665 Reputation points Independent Advisor

2026-05-06T07:02:09.1733333+00:00

Hello @Clara Radrizzani,

This behavior occurs because the authentication methods have been customized by your IT admin.

For more information, you may refer to the following Microsoft documentation: How to migrate to the Authentication methods policy - Microsoft Entra ID | Microsoft Learn

I recommend reaching out to your IT admin to discuss this behavior and your issue, so they can review and verify the organization’s authentication policies.

Answer 2

Clara Radrizzani 0

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Cant sign in teams on mobile

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