Up to Android 10: Using the "eduroam CAT" App
Please make sure that...
Step 8: Enter HTW user data
Please enter your HTW user name with the extension @htw-berlin.de (e.g. "email@example.com" or "firstname.lastname@example.org"). The password is identical to your HTW account (also used e.g. in the LSF/Moodle/E-Mail system of the HTW Berlin).
Attention: Please do not confuse the user name with your HTW e-mail address FirstName.Surname@htw-berlin.de! This can not be used here.
Then click on "Install".