Before You Begin, install the Duo Mobile App on your new device from your device's app store.
To enroll a new device to replace one that was previously activated on Duo Mobile with the same phone number*, follow these steps:
- Log in to UTRGV.edu/duo.
Your device must be connected to the campus network, (on-campus, VPN, or DirectAccess).
If your device is not connected to the campus network, you will be directed to the UTRGV home page.
- Click Add a new device. (on the left side).

- Click Call Me.
- Answer the phone call from Duo Mobile.
- Press any key to connect.
- Be sure the correct device type is selected and click Continue.
- Enter your phone number including the area code.
- Select the checkbox, "You entered (###) ###-####. This number already exists, replace it?"
- Click Continue.
- Be sure the correct device type is selected and click Continue.
- Click I have Duo Mobile installed.
- Open your Duo Mobile App and tap the "+" sign at the top right.
- Scan the code displayed on the screen to add your UTRGV account to the Duo Mobile App.
Two-factor authentication using a push notification from the DUO Mobile app is the preferred authentication method.
*PLEASE NOTE: If your new device DOES NOT have the same phone number, call the IT Service Desk at 956-665-2020 for assistance.
Replace phone