If enrolling a phone, enter your phone number and click Yes you want to use the Duo Mobile App, then Continue.
If you do not want to provide your phone number when configuring your smartphone, you can hit the back button and set it up as a tablet. With this option you will only be able to receive push notifications or generate passcodes via the Duo Mobile App.

4. Type of Device Platform (if applicable)
Select your device platform, then click Continue.

5. Installing and Activating Duo Mobile
Duo Mobile is an app that runs on your smartphone or tablet and helps you authenticate quickly and easily. You can still authenticate via text message without it, but for the best experience we recommend Duo Mobile.
- Search for Duo Mobile in your app store.
- Download the app.
- Select "OK" when asked if Duo Mobile can send push notifications.
- Select Add Account
- Once the app is installed, click I have Duo Mobile installed.

6. Activate Duo Mobile