Due to a certificate change, all devices that use eduroam (Wifi) via the RPTU must be reconfigured before january 20, 2024.
The privious configuration of the devices will no longer work from this date.
Here you will find instructions for the most common operating systems:

Windows:

• Open settings > jump to “Network and Internet” in the left bar > click “WLAN” in the right area > click “Manage known networks” > click “Do not save” behind the “eduroam” profile

MacOS:

• Open system settings > jump to Data Protection & Security in the left bar > click on “Profiles” in the right area > select Eduroam profile and click on the minus

iOS:

• Call up settings > select General > select “VPN and device management” > click on the Eduroam configuration profile > select “Remove profile”.

Android:

• To to settings > select "Network and Internet" > select "Internet" > select "Saved WLANs" > select "eduroam" > select "Remove".