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This article explains how to add devices to a Duo account, and is aimed at users who've received a new device, but kept the same phone number that they used to register with Duo.
Instructions
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When signed in to the MyHamilton Portal and prompted by Duo to authenticate, click Settings. Do not authenticate yet.
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Click Add a new device.
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Choose how you want Duo to contact you. If you are adding a new device that uses the same phone number, select Call Me.
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Choose your device type and select Continue.
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Enter the phone number of the device you wish to add, verify the phone number you have entered is correct by clicking the check box, then click Continue.
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Select your device type from the list of options.
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Download and install the Duo app on your device, then click I Have Duo Mobile.
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Once the QR code appears on the computer screen, launch the Duo Mobile app. From the Duo app, tap the + button on the top right-hand corner of the screen and scan the QR code on the computer screen.
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Once Duo has finished linking to your phone, you will see a green check mark on your computer screen. Once the green check mark appears, scroll down and click Continue.
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Your newly added device should now appear under My Settings & Devices. Click Save to retain your changes. If the option says Saved, you can safely proceed to choose the option to go Back to Login.
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You should now be all set to use the new device as your Duo authenticator.
More information
Please submit a service request at helpdesk.hamilton.edu for any questions or concerns.