Set up a smartphone or tablet

Duo's self-enrollment process makes it easy to register your phone or tablet and activate the Duo Mobile application so you can receive Duo requests via push notification and tap to approve and login.

Download Duo Mobile App at the Apple App Store for iOSand at the Google Play Store for Android.

Supported Operating System Versions:
DUO Mobile App minimum supported versions for Android  and iOS

Duo prompts you to enroll the first time you log into into a web application when using a browser or client application that shows the interactive Duo web-based prompt

Supported Browsers: Chrome, Firefox, Safari, Edge, Opera, and Internet Explorer 8 or later. Some browsers do not support all of Duo's authentication devices (for example, Security Keys won't work with Internet Explorer). For the widest compatibility with Duo's authentication methods, we recommend recent versions of Chrome and Firefox.

Step 1: Welcome Screen

Click Start setup to begin enrolling your device.

Begin Enrollment

Step 2: Choose Your Authentication Device Type

Select the type of device you'd like to enroll and click Continue. We recommend using a smartphone for the best experience, but you can also enroll a landline telephone, a security key, or iOS/Android tablets.

Select Device Type

Step 3: Type Your Phone Number

Select your country from the drop-down list and type your phone number. Use the number of your smartphone, landline, or cell phone that you'll have with you when you're logging in to a Duo-protected service. You can enter an extension if you chose "Landline" in the previous step.

Double-check that you entered it correctly, check the box, and click Continue.

Enter and Confirm Phone Number

If you're enrolling a tablet you aren't prompted to enter a phone number.

Step 4: Choose Platform

Choose your device's operating system and click Continue.

Select Device Platform

Step 5: Install Duo Mobile

Why use Duo Mobile?

  • It's fast & easy
  • Works in any country
  • Doesn't require cell service

Duo Mobile is an app that runs on your smartphone and helps you authenticate quickly and easily. Without it you'll still be able to log in using a phone call or text message, but for the best experience we recommend that you use Duo Mobile.

  • Download the Duo Mobile App
    • Apple App Store for iOS
    • Google Play Store for Android

Follow the platform-specific instructions on the screen to install Duo Mobile. After installing the app return to the enrollment window and click I have Duo Mobile installed.

Install Duo Mobile

Step 6: Activate Duo Mobile

Activating the app links it to your account so you can use it for authentication.

On iPhone, Android, and Windows Phone activate Duo Mobile by scanning the barcode with the app's built-in barcode scanner. Follow the platform specific instructions for your device:

Scan Barcode to Activate

The "Continue" button is clickable after you scan the barcode successfully.

Activation Success


Your device is ready to approve Duo push authentication requests. Click Send me a Push to give it a try. All you need to do is tap Approve on the Duo login request received at your phone.

Enrollment Success

Learn more about authenticating with Duo in the guide to using the Duo Prompt.

Add or Manage Devices After Enrollment

You can add a new authentication device or manage your existing devices in the future via the Duo Prompt.

Other Supported Authentication Methods

Duo supports a wide variety of devices that you can use in addition to Duo Push on your smartphone. Learn more about other types of devices you can enroll, like Security Keys, or different ways of using your phone to authenticate, like approving logins via phone call.

*Content modified with permission of Duo from â€‹