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.
Download the Duo Mobile app onto your mobile device:
From your app store install the “Duo Mobile” app by Duo Security:
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.
System requirements
Duo Mobile System Requirements
Android: the current version of Duo Mobile supports Android 10.0 and greater. Duo recommends upgrading to the most recent version of Android available for your device. We cannot ensure compatibility of Duo Mobile with custom variants or distributions of Android. More information from DUO: Duo Mobile on Android
iPhone: The current version of Duo Mobile supports iOS 14.0 and greater. More information from DUO: Duo Mobile on iOS
SMS and phone call Two Factor Authentication (2FA) are being phased out for employees. Employees who don't have a mobile phone or tablet, or would prefer an alternate option, can request a token using the 2FA token request form.
Waterloo students may purchase a U2F key from an external provider, such as Amazon, for personal use, if desired.
If you need to remove a device or replace a phone that was lost or stolen, please refer to the article Removing a device or replacing a lost or stolen token
Optional: You may choose to purchase a token to have a backup should you not have access to your mobile phone or your device of choice.
Optional: You may add multiple Duo Mobile devices to your 2FA account. The Duo Mobile app is available for recent Android (phone, tablet) and iOS (iPhone, iPad) devices. Duo Mobile can also be installed and set up on Chromebooks.
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Need help?
Contact the IST Service Desk online or 519-888-4567 ext. 44357.
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