Mason follows Duo Security's recommendations about the best-operating systems to use for 2FA.

• • iPhone & iPad: iOS 14.0 and greater
  • Android: Android 10 and greater
    Duo does not provide official support for non-standard custom Android distributions like OnePlus, LineageOS, or ColorOS, nor is Duo Mobile supported for use on ChromeOS.

More information about supported platforms is available in the Duo Guide.