Backports for btrtl bluetooth driver from kernel source

sudo apt-get install build-essential git dkms linux-headers-$(uname -r)

git clone https://github.com/kelebek333/backport-btrtl-dkms

sudo dkms add ./backport-btrtl-dkms

sudo dkms build btrtl/0.1.1

sudo dkms install btrtl/0.1.1

Notes:Reboot your PC after installation and you must disable secueboot from BIOS/EFI settings.

sudo dkms remove btrtl/0.1.1 --all