Content restrictions on mobile device (such as an iPad or iPhone) will interfere with the DUO 2-Step Panel, and prevent the iFrame from loading properly. Please disable parental controls or content restrictions on your device and try again.
For instructions on checking content restrictions on an iOS device, see the Duo website: https://help.duo.com/s/article/3710?language=en_US
Additionally, Duo recommends these troubleshooting steps on your iOS device:
- check that Javascript is enabled in the Safari settings
- check that there is no ad-blocker in Safari
- check that there is no installed profile/mdm/VPN that is unfamiliar
- check that Screen Time restrictions are turned off
- check that Focus Mode has been disabled
- once content restrictions are disabled, clear browser cache
For information on how to delete history, cache and cookies on an iOS devices, see: https://support.apple.com/en-us/HT201265