I re-installed the default kernel using the following command: $ sudo apt install --reinstall linux-image-5.0.0-20-generic then installed the latest linux-firmware as directed above, and now bluetooth is broken again, same as before. I guess this means that your fix is required Kai-Heng.
Thanks for the assistance -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1832988 Title: Intel 8260 Bluetooth not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-bluetooth/+bug/1832988/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs