On Monday, February 2, 2026, Duo is making a change that will cause unsupported versions of their software to no longer receive Duo Push requests or be able to complete Duo Mobile-based verification.Who Is Affected Anyone who uses Duo Mobile on an unsupported mobile OS, or with an app that’s…

Starting November 4, 2025, Cornell will begin disabling the Duo Phone Call and Duo SMS Passcode methods.