Just came back from Italy, no rooming possible at all (iphone12). But it worked in Germany and Austria, means that there is an obvious problem with 48 in Italy. No help from the chat.
I tried to activate the SIM several times. Finally had a chat with somebody from 48, which was difficult as I could not connect to chat for hours. 48 activated the replacement SIM and it works now. Nobody answered my trouble tickets. You need to try ...
