New smartphone? How to reactivate Duo

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duo device settings UI

When you get a new smartphone, you need to reactivate the Duo Mobile app before you can get push notifications or generate passcodes. To do that, you’ll need a computer.

Follow these steps to reactivate the Duo app:

  1. From your computer:
    1. Log in to a U-M service on the web through U-M Weblogin.
    2. When you get to the Duo prompt, click the My Settings & Devices link on the left-side of the Duo pop-up window. 
    3. Choose the Call Me option. Duo will then phone you to complete the authentication. 
  2. From your smartphone:
    1. Answer the phone call, and you’ll be prompted to press 1 to approve the login.
  3. From your computer:
    1. Click Device Options.
    2. Click Reactivate Duo Mobile for your new phone, and follow the Duo prompts to get a QR code on the screen,
  4. From your smartphone:
    1. Open the Duo Mobile app on your phone and use it to scan the QR code on your computer screen.

For the detailed steps, see: https://documentation.its.umich.edu/2fa/change-your-duo-options-and-settings