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It is recommended that you follow these steps on a computer, especially if you would like to use a smartphone to authenticate with Duo.

  1. Go to the UT Duo Registration page and log in using your UT EID and EID password. If this is your first time enrolling with Duo, you'll be prompted to add an authentication method. 
  2. Choose your authentication device type and follow the prompts. 
  3. If using a smartphone, choose your platform then set up Duo Mobile:
    1. Install Duo Mobile from the Apple App Store or the Google Play Store
    2. Activate Duo Mobile
      1. Follow the on screen prompts and scan the barcode using your smartphone's camera. 
      2. If needed such as if the camera is broken, you can have Duo email you an activation link. Open your email and click the activation link on your smartphone. 
  4. Configure Device Options

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titleI got a new smartphone and now the Duo Mobile app isn't working, what do I do?

You can reactivate the Duo Mobile app if you need to get Duo Push working on your phone. This situation most commonly arises from getting a new phone while keeping the same phone number.

  1. Go to the UT Duo Registration page and sign in with your EID and EID password.
  2. On the left side of the Duo screen, click My Settings & Devices.
  3. Authenticate with Duo
    1. If your phone number is the same, the easiest way to authenticate is the Call Me option.
    2. If your phone number is different and you have no other way to get through Duo, call the ITS Service Desk at 512-475-9400 for assistance.
  4. Under your phone number, click Device Options.
  5. Click Reactivate Duo Mobile and follow the on screen prompts.

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titleHow can I add more devices to Duo?
  1. Go to the UT Duo Registration page, enter your EID and EID password, then click Sign In.
  2. Do not authenticate with Duo. If a push notification was automatically sent to your phone, deny the request. 
  3. On the left side of the Duo screen, click Add a New Device.
  4. Authenticate with Duo.
  5. Follow the on screen prompts based on your device type.

Note: If you can't authenticate with Duo, see the FAQ "I lost my phone or token and now I can't authenticate with Duo, what do I do?"

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titleHow can I remove a device from Duo?
  1. Go to the UT Duo Registration page, enter your EID and EID password, then click Sign In.
  2. Do not authenticate with Duo. If a push notification was automatically sent to your phone, deny the request. 
  3. On the left side of the Duo screen, click My Settings & Devices.
  4. Authenticate with Duo.
  5. Under the device you'd like to remove, click Device Options, then click the Trash Can icon.

Note: If you no longer have access to a device, it's a good idea to remove it from your Duo account.

Note: If you only have one authentication method, you won't be able to remove it until you add at least one more authentication method.

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titleHow can I tell if I'm enrolled with Duo?

In a web browser, go to the UT Duo Registration page and sign in with your EID and EID password. If you're asked to authenticate with Duo, then you're already registered. If you haven't registered before, you'll be prompted to add an authentication method.

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