If your device that is enrolled in two-factor authentication (2FA) is stolen, broken, or lost, contact IT Services right away. When you contact IT Services, they will take the necessary steps to disable 2FA on your device. They can also help you to access your account with a different device or use a bypass code. Even if you can't use your device, your password will remain protected.
If you have chosen to replace your original device, you will need to enroll your new device in 2FA to make sure you have continued security coverage.
Follow these instructions to reactivate a mobile device that has been deactivated because it was lost and you've found it, or if the device was broken and it is fixed now, or if you have a new phone with the same operating system (e.g., iOS or Android) and it will use the same phone number.
- Go to the 2FA website (2fa.uchicago.edu).
- Navigate to Manage Devices.
- Select Re-activate displayed next to your device's listing.
Having the Duo Mobile app already installed on your device before reactivating is helpful. More information is found in Register Your Smartphone in Two-Factor Authentication (2FA). If you'd like to add a tablet, the process is slightly different; see the instructions to Register a Tablet. It is important to register more than one device, if possible, to ensure that you continue to have access even if your primary device is unavailable.
If you're replacing your old device with a new one that uses a different operating system, you'll need to remove your old device then add the new one. You will use this To remove your old device from the 2FA website to switch from Android to iOS or to change your phone number, follow the instructions below:
- Go to the 2FA website.
- Navigate to Manage Devices.
- Next to your old device, select Remove.
- Now, follow the Register a Device link in the left-hand column to add your new device.
Contact IT Services with any questions on managing your 2FA devices.