Activate Duo Mobile for the First Time. When you enroll in Duo for the first time and choose to add an Android device or use Duo Push, you're shown a QR code to scan with the Duo Mobile app to complete activation. Launch Duo Mobile and tap Set up account. To proceed with adding your initial Duo account to Duo Mobile, tap Use a QR code.

When you enroll in Duo for the first time and choose to add an iOS device or use Duo Push, you're shown a QR code to scan with the Duo Mobile app to complete activation. Launch Duo Mobile and step through the introduction screens.

Install Duo Mobile on the new phone and scan the QR code to activate. The new phone is added and listed with your other enrolled devices. You can click Add another device to start the enrollment process again and add another authenticator.

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

Scan the activation QR code using the Duo Mobile app installed on your iOS or Android device. Tap Add in the app and then tap Use QR code to begin adding the account by scanning the QR code shown by Duo for Windows.

Use Duo Mobile to scan the application's QR code shown on your screen. Give the new account a name in Duo Mobile and tap Save to return to the accounts list. Finally, tap the indicator next to the account name in Duo Mobile to generate a passcode which expires in 30 seconds.

On iPhone and Android, activate Duo Mobile by scanning the QR code with the app's built-in QR code scanner. Follow the platform specific instructions for your device. If this is the first account you're adding to Duo Mobile, step through the introduction screens and then tap Use a QR code to scan the QR code.

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

Click the Reactivate Duo Mobile button if you need to get Duo Push working on your phone, for example, if you replaced your phone with a new model but kept the same phone number. After answering some questions about your device, you'll receive a new QR code to scan with your phone, which will complete the Duo Mobile activation process.

Tap Scan QR code and scan the QR code from your third-party account 2FA setup screen, or, to recover a Duo-protected account, access the My Settings and Devices page from the Duo prompt to reactivate the account. If your organization hasn't enabled self-service device management, contact your IT Help Desk or Duo service administrator for ...