Project Status: Complete
Duo announced that updates were required for the Duo Mobile App in Spring 2026. These changes impacted users of Duo Mobile for Two-Step Verification and affected minimum app versions, supported mobile operating systems, and Duo Push functionality.
What Changed?
- March 31, 2026: Duo required a minimum Duo Mobile app version of 4.85. On this date, Duo Push and Verified Push stopped working on earlier app versions.
- April 15, 2026: Duo ended support for older mobile operating systems, including iOS 16 and Android 11. Devices running unsupported operating systems may be unable to update to supported versions of Duo Mobile.
Who Was Affected?
All users of the Duo Mobile app for Two-Step Verification were affected.
User Actions
- Update Duo Mobile to version 4.85 or later before March 31, 2026.
- Ensure mobile device is running a supported operating system (Android 12 or later, or a supported iOS version).
- If unable to update app or operating system, set up an alternative Two-Step Verification method using the Duo Device Management Portal.
If No Action Was Taken
- Users who did not update Duo Mobile by March 31, 2026 are no longer be able to use Duo Push or Verified Push to authenticate. When attempting a Push, they receive an “Update Required” message.
- Users whose devices are running unsupported operating systems after April 15, 2026 may be unable to update Duo Mobile and will need to rely on alternate Two-Step Verification methods.
How to Check for Updates
- Check Duo Mobile version: Open the app, tap the three-line menu icon in the upper left corner, and view the version number at the bottom of the screen.
- Check for updates: Visit the Apple App Store or Google Play Store, search for “Duo Mobile,” and install any available updates.
Help & Resources
- Users should contact their Support Providers for help.
- Support Providers may contact ISC Client Care for issues.
- To enroll additional Two-Step login methods, use the Duo Device Management Portal.
- For available login options, see the Two-Step Verification Login Options webpage.
- Duo’s End-of-Life/Support Plans webpage.