I copied these from UCL's instruction:
https://www.ucl.ac.uk/isd/how-to/connecting-to-eduroam-wi-fi-android
EAP method: PEAP
Phase-2 authentication: MSCHAPV2CA certificate: Use system certificates (if this option is not available, please try Method 1 or contact IT Services)
Domain: ucl.ac.uk
Identity: Your UCL user ID appended with @ucl.ac.uk for connecting to eduroam (e.g. ucxxzano @ ucl.ac.uk)
Anonymous identity: anonymous @ ucl.ac.uk
Password: your UCL password