UL2FCTR/Duo: How to Reactivate Duo on a New Phone With the Same Number

This article explains how you reactivate Duo Mobile when you get a new phone but keep the same phone number. Use this if Duo Push no longer works after switching devices.

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Before You Begin

• You must have an UofL login credentials.
• You must still have access to your phone number.
• You must be able to receive a phone call for verification.
• You must have a smartphone that supports Duo Mobile.

 

Instructions

Using the UL2FCTR Site (preferred method)

Part 1: Reinstall Duo Mobile

1. Install the Duo Mobile app on your new phone.
2. Allow the app to use the camera when prompted.

Part 2: Verify Your Identity

1. Open a web browser.
2. Go to the UofL two‑factor authentication page.
3. Sign in using your UofL credentials.
4. Select Call Me.
5. Answer the phone call.
6. Press any key on the keypad when prompted.

Part 3: Reactivate Duo Mobile

1. Select Device Options.
2. Select Reactivate Duo Mobile.
3. Choose your phone type.
4. Open the Duo Mobile app on your phone.
5. Follow the on‑screen prompts in the app.
   • Select Take me to the app if prompted.
6. Complete the activation process.
7. Select Always send this device a push.
8. Save your changes.

Using the Identity and Access Management Portal

1. Go to Password and Account Management.
2. Enter your UofL login credentials.
3. Click SIGN IN.
4. Click the MY SECURITY tab.
5. Select your old device, and REMOVE the device.
6. Click ADD A DEVICE.
7. Complete the Duo device registration by entering the appropriate information.
   • Select the type of device you want to add (e.g., mobile phone, tablet, or Yubikey)
   • Enter the name of your device (e.g., “My iPhone”)
   • Enter your phone number.
8. Click CONFIRM.
9. Click SUBMIT.
10. Choose a verification method:
    • Download the free Duo Mobile app from your preferred app store.
    • Send a secure link to your phone.