Duo Restore for iOS June 16, 2022 15:31 Duo Mobile's restore functionality lets you back up Duo-protected accounts. For more information click here. Related articles How to add new phone to DUO mobile with the same phone number. Adding a new phone and number to DUO Duo Restore for Android Enroll in DUO mobile for the first time. I don't have a phone or access to a phone for DUO. Hardware tokens are available.