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If you reset your phone to factory settings or replaced it with a new mobile phone but kept the same phone number, you may need to reactivate Duo Mobile. For example, your iOS device might ask you to Reconnect. Tap Reconnect, then follow these instructions.

Step 1 - Authenticate

Expand
titleClick to view step 1

  1. Log in to the My Cal Poly  portalPortal.

  2. Go to Click the Personal Info tab> . Under Personal Info > , select Authorized Devices > . Open the Multi-factor Authentication > click dropdown. Click Edit.

    Personal Info panel displayed with Authorized Devices section highlighted and edit button highlighted.Image Removed
Cal Poly Portal page with Authorized Devices outlined in red.Image Added

  1. Click Other

Options

  1. options.

    Other options link highlightedImage Modified

  2. You’ll be prompted to authenticate now, but do not respond to

it

  1. the prompt. Wait until

step #6

  1. Step 6 to authenticate instead.

  2. Select Manage devices. This tab is located at the bottom of the list.

    Manage devices menu item selected.Image Modified

  3. Choose the phone number you wish to reactivate from the

drop-down

  1. dropdown list, then select an authentication method

and complete

  1. . Complete the verification on your currently enrolled device.

    Devices drop-down list highlighted.Image Modified

  2. Once authenticated, you will see a page that lists your devices in square cells.

    showing devices in square cells.Image Added


Step 2 - Reactivate

Expand
titleClick to view step 2

  1. Click I have a new phone. (contd continued from Step 1 above).

    I-have-a-new-phone.pngImage RemovedI have a new phone link highlighted.Image Added

  2. Click the Get started button.

    Get-Started.pngImage RemovedGet Started button highlighted.Image Added

  3. Complete the re-enrollment by inputting your information following the instructions presented in the corresponding prompts. See details in Step 3 below…

Step 3 - Install Duo Mobile App & Add Device

Expand
titleClick to view step 3

  1. Download the Duo Mobile app on your mobile device, from the App Store or Google Play. Then, in continuation from Step 2 above, click on your mobile device. Click Next.

    Duo-enroll-Next.png

  2. On your mobile phone, at tap the Add button at the top right of the screen , tap the Add + button to to add an account.

    Mobile Duo App. Account Add button highlighted

  3. Tap Use QR code. You may need to allow access to the camera on your phone. 

    Under Add account, Use QR code button highlighted

  4. Using the Duo app's camera preview screen that is displayed on your phone, point your phone at the QR code on your computer screen to complete the activation.
    The When done successfully, the QR Code will show greyed become grayed out with a green check when done successfully.

    Duo-scan-checked.pngImage RemovedQR code greyed out with green dot check mark over it.Image Added

  5. Click the Click Continue button to complete the process.

    Duo-added-continue.pngImage RemovedContinue button highlightedImage Added

  6. On your phone, name the account and tap Save. Your account is now linked. Click Practice now to learn how to use Duo and follow the prompts. When asked, tap the blue Allow notifications button to receive notifications, then the Ok button.

...