Overview

Follow the instructions below if you have one of your currently Duo enrolled devices with you, such as your old smartphone.

If you do not have one of your currently enrolled devices with you or your QR code has expired, you may have problems completing these instructions. If so, call IT Express at (530) 754–4357, and they will remove your previous device. Then enroll your smartphone in Duo.

NOTE: You will need your Apple App Store or Android Play Store password to complete Step 2.

STEP 1: Begin Duo Enrollment from Your Computer

Note: These steps must be completed on a laptop or desktop computer.

a) Open a web browser to https://computingaccounts.ucdavis.edu.

b) Select Duo Multifactor Authentication from the main menu.

c) Log into CAS.

d) Use your old device to authenticate with Duo.

e) Your browser will now show the Duo device management screen. Select Device Options next to the old smartphone you wish to update to change to your new device in Duo. 

Note: these instructions display the settings for an iPhone. Settings for Android devices are very similar.

f) Select Reactivate Duo Mobile.

g) Enter the type of mobile phone you are enrolling, and then click Continue.

STEP 2: Install the Duo Mobile App on Your Smartphone

a) Go to the App Store or Play Store on your smartphone.

b) Search for Duo Mobile.

c) Install the app on your smartphone. There is no fee to install the app. 

NOTE: You will need your App Store or Play Store password to complete installation

STEP 3:  Complete Enrollment Using Your Computer and Your Smartphone

a) After completing the installation of the app on the smartphone, click I have Duo Mobile installed.

b) The Activate Duo Mobile screen displays. With the Activate Duo Mobile screen displaying on the computer, open the Duo Mobile app on the smartphone.

f) Be sure to enable push notifications if prompted, to ensure you receive new incoming Duo push requests.