Duo - Mobile App Version Update
Duo - Mobile App Minimum Version Change on Feb 2, 2026
To address security concerns and risks, Duo will raise the required minimum version of the Duo Mobile App to version 4.85.0 after February 2, 2026. Affected users will either need to upgrade their Duo Mobile App or enable an alternate MFA mechanism like SMS Text Messages.
Users who can upgrade the minimum version of the Duo Mobile App.
If you are using a device that can upgrade to the minimum version of the Duo Mobile App (version 4.85.0), you will need to upgrade Duo on your device before February 2, 2026.
Which versions of iOS does Duo Mobile support?
Which versions of Android does Duo Mobile support?
Users who cannot upgrade the minimum version of the Duo Mobile App.
If you are using a device that is not supported by the new minimum Duo version you will need to ensure that at least one of the following Duo authentication options is configured before February 2, 2026 or you will not be able to login with CSUN account:
- You can use phone calling to complete the DUO transaction
- You can use SMS messaging to your phone
- You can pick up a hardware token at the IT Library Walk in Center
Instructions for adding or managing these options to log in DUO devices