1.

In order to get all the required and current configuration settings directly preset, the eduroam tool CAT must first be downloaded:
https://cat.eduroam.org/?idp=5109

Select the profile eduroam unibi Sectigo CA (Android, iOS, MacOS) and then download eduroam via the big button.

2.

Allow the download of the tool.

3.

If this message appears, you must switch to the iOS settings on your own.

4.

In the iOS settings, go to Profile Loaded and select the eduroam profile there.

Alternative:

Open VPN and Device Management in Settings and select the eduroam profile there.

5.

Install the profile.

6.

Go to Next here.

7.

And click Install again.

8.

Now the personal access data must be entered.

Username:
-> BITS-Loginname@uni-bielefeld.de

Then confirm with Next .

9.

Password:
-> Personal network password

Then confirm with Next .

10.

Finally, click on Done again.

The eduroam WLAN is now set up and can be used.