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If you are unable to run the Duo Mobile app for some reason, as in your device is too old or your device is restricted from downloading apps, then use text message (SMS) or phone call methods.

Download the App


Connect your NNU Account

  1. On a computer, go to in a web browser (Chrome or Firefox is recommended).  Click the Login button.

  2.  Enter your NNU username and password and you'll be prompted to Start Setup.

  3. When setting up Two Factor Authentication, we highly recommend that you select Automatically send this device a Duo Push.

    Selecting Duo Push means you do not get charged for text messages and it lets you log in quicker!

  4. And if you are on a trusted device, don't forget to check the box Remember me for 30 days so you don't have to authenticate all the time!
  5. If you chose to Send me a push, your cell phone will have a notification. Tap Approve.

    1. Warning!

      Remember that if you are NOT logging in, you should not tap Approve when you receive a push notification. If you are in doubt, check the location details on the push screen.