NOTE: The Duo mobile app will not be available for older versions of Android. See this Duo site for more version information.
The below instructions are for adding an iOS or Android device if you have already been using Duo
NOTE: If you are a new employee and getting started with your NinerNET account and Duo - see this article
Log into ninernet.charlotte.edu
If you do not have another device in Duo available, use the Get Duo Code page to generate a code to authenticate through Duo Two-Factor Authentication - see this article