How do I reactivate Duo Mobile when I get a new phone?

NOTE: We have many ways to authenticate whether you need to reactivate duo or just gain one-time access to a Bucknell internal page or system. For more information check out or Duo Security FAQ article

NOTE: We do not provide a QR activation code.

Before you start

Before you start, a few things will be required to follow the steps.

  1. You will need a computer to follow the steps.
  2. You will need to choose one of the authentication options below - text, Duo SOS, or code generator.
  3. You can authenticate even when you believe you cannot do so.*
  4. You will need your phone to scan the QR code.
     

What form of authentication (used to verify identity) do you plan to use?

Click on the situation below that applies to how you will authenticate during the setup process. This step is required and most people can complete these steps without IT intervention. We have many ways to authenticate whether you need to reactivate duo or just gain one-time access to a Bucknell internal page or system. For more information check out this Duo Security FAQ article.
 

1. I have the same phone number and can receive a text message
 

2. I have the same phone number and can use Duo SOS (Students Only) - Bucknell ID Required
 

3. I have a different phone number or cannot get texts but can use Duo SOS (Students Only) - Bucknell ID Required
 

4. I have the same phone number and I have a code generator
 

5. None of the situations above apply


Reactivating Duo Mobile - SMS Passcode Method

Reactivating with the same phone number by receiving a text message

  1. On your new phone, download and install the Duo Mobile app from your device app store if you do not already have Duo Mobile installed.
     
  2. Switch to your computer. Go to this web page: https://buapps.bucknell.edu/script/duosecurity/.
  3. Click on the link on the left (under the large orange and blue Bucknell "B") that says My Settings and Devices.

  4. You will be prompted to authenticate. No need to panic. If you have an auto push setup, please select Cancel now. Otherwise, skip to step 5. 

  5. Click on Enter a Passcode.

  6. In the blue bar below, select Text me new codes

  7. Check your text messages. You will receive a text with 10 passcodes.

  8. Enter a passcode into the passcode field. If Duo does not say use the passcode that starts with a certain number then enter the very first code you were given into the passcode field and select Log In.

     

  9.    Once authenticated, you'll see your various devices. Click on the Device Options button to the right of your new iPhone or Android

     
  10. Once you click on that button, you should see an option to Reactivate Duo Mobile.

     
  11. Verify your new phone type and click Continue.

     
  12. Select I have Duo Mobile installed.
    • If the app is not currently installed on your device, use your device app store to install it.  
       
  13. Switch to your phone. On your phone open your Duo Mobile App (enable camera if asked).
    • If you have an account, click on the account and scan the QR code by holding the phone as if you are taking a picture of your computer screen.
    • If you do not have an account listed click on Add Account (+) and click on scan the QR code by holding the phone as if you are taking a picture of your computer screen.
        

       
       
  14. Duo Mobile account is successfully added when you receive the green checkmark over your QR code.
     
     
  15. Congratulations! You have successfully reauthenticated Duo.
     

Reactivating Duo - Duo SOS Method - (Students Only)

Reactivate with the same phone number using Duo SOS - Students Only

  1. Download and install the Duo Mobile app from your device app store if you do not already have Duo Mobile installed.
     
  2. Switch to your computer. Go to this web page: https://buapps.bucknell.edu/script/duosecurity/
  3. Click on the link on the left (under the large orange and blue Bucknell "B") that says My Settings and Devices.

  4. You will be prompted to authenticate. No need to panic. If you have an auto push setup, please select Cancel now. Otherwise, skip to step 5. 

  5. In a new tab, Go to duosos.bucknell.edu

  6. Log in with your Bucknell Username and password. Note: you will need your Bucknell ID to get a code. 
     
     

  7. Copy the code and go back to the Duo Security tab/screen


  8. Click on Enter a Passcode.

  9. Enter the Duo SOS passcode into the passcode field and select Log In.
    NOTE: Duo SOS passcodes are one-time use and you have a very limited time to use the code. If the code does not work when you select Log In, go back to Step 5 and get another passcode. 

  10.  Once authenticated, you'll see your various devices. Click on the Device Options button to the right of your new iPhone or Android

     
  11. Once you click on that button, you should see an option to Reactivate Duo Mobile.

     
  12. Verify your new phone type and click Continue.

     
  13. Select I have Duo Mobile installed.
    • If the app is not currently installed on your device, use your device app store to install it.  
       
  14. Switch to your phone. On your phone open your Duo Mobile App (enable camera if asked).
    • If you have an account, click on the account and scan the QR code by holding the phone as if you are taking a picture of your computer screen.
    • If you do not have an account listed click on Add Account (+) and click on scan the QR code by holding the phone as if you are taking a picture of your computer screen.
        

       
       
  15. Duo Mobile account is successfully added when you receive the green checkmark over your QR code.
     
     
  16. Congratulations! You have successfully reauthenticated Duo.
     

Reactivating Duo - Duo SOS Method - (Students Only)

Reactivate using Duo SOS (New phone number) - Student Only

  1. Download and install the Duo Mobile app from your device app store if you do not already have Duo Mobile installed.
     
  2. Switch to your computer. Go to this web page: https://buapps.bucknell.edu/script/duosecurity/
  3. Click on the link on the left (under the large orange and blue Bucknell "B") that says Add a new device.

     

  4. You will be prompted to authenticate. No need to panic. If you have an auto push set up, please select Cancel now. Otherwise, skip to step 5. 

  5. In a new tab, go to duosos.bucknell.edu.

  6. Log in with your Bucknell Username and password. Note: you will need your Bucknell ID to get a code. 
     
     

  7. Copy the code and go back to the Duo Security tab/screen


     

  8. Click on Enter a Passcode.


     

  9. Enter the Duo SOS passcode into the passcode field and select Log In.
    NOTE: Duo SOS passcodes are one-time use and you have a very limited time to use the code. If the code does not work when you select Log In, go back to Step 5 and get another passcode. 

     

  10.    Once authenticated, select the device you are adding and click Continue

     
  11. Enter your new mobile number. 

     
  12. Verify you entered your phone number correctly and check the box. Click Continue

     
  13. Select I have Duo Mobile installed.
    • If the app is not currently installed on your device, use your device app store to install it.  
       
  14. Switch to your phone. On your phone open your Duo Mobile App (enable camera if asked).
    • If you have an account, click on the account and scan the QR code by holding the phone as if you are taking a picture of your computer screen.
    • If you do not have an account listed click on Add Account (+) and click on scan the QR code by holding the phone as if you are taking a picture of your computer screen.
        

       
       
  15. Duo Mobile account is successfully added when you receive the green checkmark over your QR code.
     
     
  16. Congratulations! You have successfully reauthenticated Duo.


     

Reactiving Duo - Code Generator

Reauthenticate with the same phone number using a Code Generator

  1. Download and install the Duo Mobile app from your device app store if you do not already have Duo Mobile installed.
     
  2. Switch to your computer. Go to this web page: https://buapps.bucknell.edu/script/duosecurity/
  3. Click on the link on the left (under the large orange and blue Bucknell "B") that says Add a new device.

     

  4. You will be prompted to authenticate. No need to panic. If you have an auto push setup, please select Cancel now. Otherwise, skip to step 5. 

  5. Click on Enter a Passcode.

  6. Click the button on your code generator. NOTE: Make sure the DUO logo is on top. 

     
     

  7. Enter a passcode displayed on your code generator into the passcode field. Select Log In


     
  8.   Once authenticated, you'll see your various devices. Click on the Device Options button to the right of your new iPhone or Android

     
  9. Once you click on that button, you should see an option to Reactivate Duo Mobile.

     
  10. Verify your new phone type and click Continue.

     
  11. Select I have Duo Mobile installed.
    • If the app is not currently installed on your device, use your device app store to install it.  
       
  12. Switch to your phone. On your phone open your Duo Mobile App (enable camera if asked).
    • If you have an account, click on the account and scan the QR code by holding the phone as if you are taking a picture of your computer screen.
    • If you do not have an account listed click on Add Account (+) and click on scan the QR code by holding the phone as if you are taking a picture of your computer screen.
        

       
       
  13. Duo Mobile account is successfully added when you receive the green checkmark over your QR code.
     
     
  14. Congratulations! You have successfully reauthenticated Duo.
     

Unable to authenticate using any of the methods

No access to one of the authentication methods

  1. If you are not a student and are not located in Lewisburg, please call the Tech Desk. 
     
  2. If you're not in Lewisburg, and you're a student, you can go to https://duosos.bucknell.edu and get a temporary access code. You can then copy that code, and in the screen above, when you're asked to verify that it is you when you're adding a new device, you can click on Enter a Passcode.  Paste in the code that you've copied, then add a new phone number or other devices.
     
  3. If you're in Lewisburg, you can come to the Tech Desk with your photo ID and a staff person can help you add another number, or provide you an alternative source of authentication, like a code generator.
     

*Most people can authenticate without IT intervention. Very few will have no authentication method. 

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Details

Article ID: 99
Created
Fri 11/22/19 10:52 AM
Modified
Thu 3/10/22 9:22 AM