To connect to eduroam using your iPhone, open Settings.
Select Wi-Fi settings.
The list of available networks will be displayed under the section Networks.
Select the network called eduroam. The authentication dialog will appear. Enter your University of Tartu username in the form of username@ut.ee and your password. To connect, click Join.
A window will open and it will show the network's security certificate Accept the certificate by clicking Trust.
You can see more information about the certificate when you clock More Details.
After accepting the certificate, you will be authenticated and if you entered the username and password correctly, your device will connect to the network.