How to Generate a Passcode on My Mobile Phone Device using Duo

If you select Duo Mobile Passcode option as your authentication method, you use a six-digit authentication code generated by the Duo Mobile app to authenticate. Internet or cellular access is not required. This will work on smartphones and tablets.

  1. Go to an online service that requires Duo login (e.g., Online Toolkit).
  2. Enter your NetID and password, and click Logon.
  3. You will automatically receive a prompt (e.g., call or push) to your default device. Click Other Options.

    duo screenshot
  4. Click Duo Mobile passcode.

    generate code
  5. Go to Duo Mobile on your mobile device and click Show. The passcode will now be visible.

    copy code

  6. Enter your passcode and click Verify.


    You have successfully logged into Duo via the text message passcode on your mobile phone device.