Updating MFA When You Get a New Phone

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This article details the step-by-step instructions on updating your Multifactor Authentication (MFA) verification methods when either changing your phone number or replacing your mobile device. Maintaining an up-to-date MFA method is necessary to ensure secure access to your La Salle University accounts and services. The instructions below will detail common scenarios and their solution to help you seamlessly transition your MFA methods to avoid any login issues. 

I am keeping the same phone, but I will be changing phone numbers:

If you are changing phone numbers but keeping the same device, follow these steps to ensure continued MFA access by using Microsoft Authenticator:

  1. Download the Microsoft Authenticator app on your phone BEFORE changing your number.
  2. Enroll your device using the Microsoft Authenticator app.
    Enroll in Microsoft Multi-Factor Authentication (MFA)
  3. Once registered, you can use the app for MFA verification with a passcode— no phone number required.
  4. After switching to a new phone number, update your MFA settings for SMS or phone call authentication with your new number.
    How do I check the methods that I am enrolled in for Microsoft

 

I got a new phone, but I still have my old phone:

NOTE: This process will only work if Microsoft Authenticator is ALREADY set up as one of your MFA methods.

If you have upgraded to a new phone and still have access to your old device that uses Microsoft Authenticator:

  1. Unenroll your old phone from MFA before setting up your new one. Log in with your La Salle account, using your old phone for MFA, and navigate to the MFA settings to remove your previous authentication methods.
    How do I check the methods that I am enrolled in for Microsoft
  2. Add your new device and reconfigure MFA.
    Enroll in Microsoft Multi-Factor Authentication (MFA)

I got a new phone with a new number, but I no longer have my old phone:

If you have switched to a new phone that has a new number and no longer have access to your old device, you will need to contact the IT Help Desk​​​​​​​. To reset your MFA methods, you can visit the IT Help Desk in person at Hayman 200 or call us at (215) 951-1860. Our technicians will need to verify your identity and will then assist you with the setup of your new MFA method.
 

Need Additional Help?

If you have any questions or need further assistance regarding MFA:

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