---
title: "How to reset the MFA method or phone number"
description: "Step-by-step instructions for resetting Multi-Factor Authentication (MFA), including how to update the authentication method or change the registered phone number"
url: https://support.mosaicapp.com/en/articles/312-how-to-reset-the-mfa-method-or-phone-number
collection: "Getting Started"
updated: 2026-08-25
language: en
---

# How to reset the MFA method or phone number

Step-by-step instructions for resetting Multi-Factor Authentication (MFA), including how to update the authentication method or change the registered phone number

> **Warning:** _Project Guests_ and _External Contractors_ typically do not have default access to Mosaic. To reset MFA method, please reach out to **Customer Support** for further assistance.

This method applies only to Members who have access to the Mosaic application. If a Member is unable to log in due to Multi-Factor Authentication (MFA) restrictions, Customer Support should be contacted to request an MFA reset.

To update the Multi-Factor Authentication (MFA) method or change the registered phone number, follow these steps:

1.  Click the **Edit** button next to your name.
    

![](https://staticfiles.gleap.io/ghelparticle/yzKE0chAdkb8iiHj730q7DPGXkEtqhulZaIX4naFZOucnOxN7YI75qmCm7fvVMTX06mmJ630xkv.png)

2.  Click the **Reassociate MFA** button in the **Edit Profile** modal.
    
    ![](https://staticfiles.gleap.io/ghelparticle/GjdPnhxwrBCc6PX4efmVQ3cUTXu1j5ejTnOgllAoWrce5KawXW8YDxHtQSIsGSuTDlnXaGZTFGH.png)
3.  A confirmation modal opens. Click the **Confirm** button.
    
    ![](https://staticfiles.gleap.io/ghelparticle/tETGbV9OGHGSra8FCMr9fqbEZNcUvJAF8FdBC0tn8CI2Tw5FzD0BUuOtkg7BmFSZoiB7OZ7N8x3.png)
4.  Log in again to establish a new MFA.
    
    ![](https://staticfiles.gleap.io/ghelparticle/Ar90coMFjaw4fEBvqFDnADSxgWsL58E2b2gAPPUr3pCvsHi8bV2PJDGn1WrDv5C7CUD0DsZryoO.png)