O2

Received S20 Ultra and have noticed that if I call a contact or new number, it disconnects before even a first ring. I then have to do it again in order to connect with the other number. Is there a solution to this?

A few months ago I encountered the problem where my S10+ could not receive calls. When the phone rang, I'd answer it but, I could not hear the caller (though they could hear me) and very shortly after the call would terminate. However, I could make c...