Duo Mobile registration guide for iOS


Using the Duo Mobile app is the preferred method of interacting with Duo Security for two-step login at the University of Oregon.

This article contains instructions on how to download, install, and register the Duo Mobile app on Apple iOS mobile devices (iPhones and/or iPads).


Install the Duo Mobile app

  1. Navigate to the App Store on your iOS device
  2. Search for Duo Mobile
    Duo Mobile in the Apple App Store
  3. Press Get to download Duo Mobile app

Register Your Device

  1. Open your preferred web browser on your desktop or laptop computer
  2. Visit a Duo protected service (i.e., UO Service Portal, Canvas, UOmail, etc.)
  3. Log in with your Duck ID and password
    1. If you are registering a second device, you will need to disable any push notifications you receive.
  4. Select Add a new device
    Select Add a new device
  5. Click Start Setup
  6. Select Mobile phone
    What type of device screen with Mobile phone highlighted
  7. Select your phone type - choose iPhone
    What type of phone screen with iPhone selected
  8. Click Continue
  9. Type your phone number into the available field
    Enter your phone number screen
  10. Verify your phone number is entered correctly and click Continue
  11. You will be prompted to install the Duo Mobile app on your iOS device - click I have Duo Mobile installedInstall Duo Mobile for iOS screen with I have Duo Mobile installed button highlighted
  12. A QR code will be displayed on your screen
    Activate Duo Mobile for iOS QR code screen
  13. Open the Duo Mobile app on your iOS device
    Welcome to Duo Mobile screen (iOS)
  14. Press ADD ACCOUNT
  15. You will be prompted to allow Duo Mobile to use your camera. Press OK.
    "Duo Mobile" Would Like to Access the Camera prompt
  16. Aim the camera on your mobile device at the QR Code on your computer screen, and it will automatically scan the QR Code.
    Duo Mobile Add Account screen viewing the activation QR code
  17. On your computer, you should see a message confirming that your device has been registeredActivate Duo Mobile for iOS success screen

Using Your iOS Device for Two-Step Login

When you log in to protected UO services, you will be prompted to select an authentication method:

Duo prompt with Push, Call, and Passcode options available

  • Send Me a Push will send a notification to your iOS device through Duo Mobile app. This is the easiest method for authentication. Just tap Approve to login.
  • Call Me will call the mobile number you have registered for the device. You will be prompted to approve the request by pressing 1 or to report fraud by pressing 9.
  • Enter a Passcode requires that you open the Duo Mobile app and press on your UO account to reveal the six-digit passcode.


Article ID: 107874
Fri 5/15/20 3:29 PM
Mon 5/15/23 10:34 AM