I had the same problem and proceeding as in comment #6 plus a reboot also helped me. I have a clean network menu without cryptic entries now and mobile broadband (currently Vivo in Brazil) works reliably.
I had the same problem and proceeding as in comment #6 plus a reboot also helped me. I have a clean network menu without cryptic entries now and mobile broadband (currently Vivo in Brazil) works reliably.