If this phone number is a landline and can't receive text messages, select the This is a landline phone option before continuing.Select your country from the drop-down list and type your phone number, and then click Add phone number.This option is suitable for mobile phones that can't run Duo Mobile, or office phones and landlines.Visit a Duo protected service (i.e., UO Service Portal, Canvas, UOmail, etc.).Open your preferred web browser on your desktop or laptop computer.Video of the process (from Duo for iOS and Android)

You can now log in to Duo-protected applications with Verified Duo Push or with a Duo Mobile passcode.

When you receive confirmation that Duo Mobile was added click Continue.

Follow the instructions in the email to activate the new account in Duo Mobile.

If you aren't able to scan the QR code, tap Get an activation link instead and then enter your email address to send the activation link to yourself.

Open the Duo Mobile app on your phone or tablet and add this account by scanning the QR code shown on-screen.

Choose how you want to receive the code and enter it to complete verification and continue.

If the phone number you entered already exists in Duo as the authentication device for another user then you'll need to enter a code sent to that number by phone call or text message to confirm that you own it.

If you entered a phone number, double-check that you entered it correctly and click Yes, it's correct to continue (or No, I need to change it to go back and enter the number again).If you're going to use Duo Mobile on a tablet (like an iPad) with no phone service, don't enter a phone number and click I have a tablet instead.Select your country from the drop-down list and type your mobile phone number, and then click Add phone number.Scroll to the bottom of the list and select Manage devices.Navigate to any Duo protected service (i.e., UO Service Portal, Canvas, UOmail, etc.).Open your preferred browser on your desktop or laptop computer.

Add cell phone without duo mobile app