Enroll using mobile phone number

The app is available for iOS and Android devices, with or without cellular access.
While an Internet connection is required for adding the device to a user’s Duo account, the app can be used to generate OTP codes even when cellular data or Wi-Fi networks are not available.
The app is simple to register and use. It functions in various modes, with or without cellular data or Wi-Fi connection.
Any Duo-protected application can be authenticated with the app. It is not necessary to disclose the phone number for a smartphone to use the app.

Using the Duo Push option

Visit Device management
Authenticate with your 8-character username @uwaterloo.ca (e.g. j25rober@uwaterloo.ca) and password
Click Next on the three welcome and informational pages.
Select Duo Mobile.
Enter a phone number.
If you haven’t already, install the Duo Mobile app and click Next.
Use the Duo Mobile app to scan the QR code and add your account to the app.
Click Continue.
Log out and close your browser.