DUO Two Factor Authentication: How Can I Reactivate the DUO Mobile App on a New Phone or Factory Reset Phone?

Use the following instructions if you have switched to a new phone with your existing phone number or if you have factory reset your phone.

1. Install the Duo Mobile app from the app store on your phone.
2. Log in to My ASU 
3. Go to Profile > Account Details > Password & Security > Two-Factor Auth Device Management.
4. Authenticate using either of the options Text message passcode or Phone call.
5. Once authenticated, you will see your previously enrolled device or devices listed, including your phone. 
6.  Select I have a new phone
7. Next, choose Get Started
8. You may be asked to confirm ownership by texting or calling yourself
9. Follow the onscreen instructions to reactivate Duo either using the QR code or by having an activation link emailed to you (click that link if desired).