When using Duo with my mobile phone, what do I do if...?

All of the below scenarios can be resolved by the user if a secondary authentication method (e.g. a landline, another mobile device, fob) has been configured in Duo. If you do not have a secondary method, contact the IT Service Desk for assistance.

Situation

Do this

I have a new phone
  1. How do I activate Duo on a new Phone when I have a different phone number?
  2. How do I activate Duo on a new Phone when I have the same phone number?
I have lost my phone
  1. Use this article to remove your phone / number from Duo
  2. Follow the appropriate directions above when you have a replacement phone
I have forgotten my phone
  1. Use your secondary method for Duo authentication - see this article