I have the issue as well and the 5.4.0-48-generic kernel does NOT fix it for me.
- Ubuntu 20.04.1 LTS (just upgraded from 18.04 where it worked) - Dell XPS 13 7390 Developer Edition - SteelSeries Arctis Pro Wireless -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1871794 Title: [Bluetooth] No audio output/input in HSP/HFP mode To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1871794/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs