Prior to transitioning to the new phone:
AuthPoint – Do this at the time of activation.
Open the AuthPoint app, select the three dots (ellipsis) in the upper right corner and select Migrate Token. This will delete the old token from your phone and send you an email to create a new token on your new phone. You will follow the instructions in the email.
Microsoft – Do this now.
Open the Authenticator app, select the three dashes (hamburger menu) in the upper left corner and select Settings. Under Backup, toggle on the backup. When you get your new phone, you will be prompted to “Add Account” or “Begin Recovery”. Select Begin Recovery. Instructions can be found here.