The solution to this issue remains using a full-blown web browser, not the mini-browser Android and Apple's mobile OS automatically opens up. These mini-browsers, in some cases, do not support downloading certificates or files and will continue to er...
I believe with OS X, the CNA mini-browser does not allow downloads of any form, including the mobile config profile. You will need to enable suppressing the Apple CNA from the wireless controller, or whitelist specific websites Apple devices check fo...
It only works on devices/OS which support removing the SSID. For those devices it doesn't work on, the end user will need to manually forget/remove the onboarding SSID.