Add New Phone in DUO/Troubleshoot DUO

Follow this article to add your new phone to DUO. Re-adding your phone can also solve most issues with DUO.

Adding a phone to Duo:

Navigate to https://duo.tti.tamu.edu.
If possible, have DUO call you or Send a Push to log in. If neither of these options works, please open a ticket with the NIS helpdesk and request a DUO bypass code.
Click on Add another device.
Choose the type of device.
Enter your phone number
If re-using an existing number, check the "This number already exists, replace it?"
Verify Ownership.
Choose the type of phone you have.
Download the DUO mobile app.
Follow the onscreen instructions to scan the barcode on your screen using your DUO app.