download linux-image-unsigned-5.2.0-050200rc6-generic_5.2.0-050200rc6.201906222033_amd64.deb and linux-modules-5.2.0-050200rc6-generic_5.2.0-050200rc6.201906222033_amd64.deb
Then install them by:
sudo dpkg -i $files_name.deb
after that, reboot and run uname -a to check if the kernel is 5.2.0 and check if sound works or not
download linux-image- unsigned- 5.2.0-050200rc6 -generic_ 5.2.0-050200rc6 .201906222033_ amd64.deb and linux-modules- 5.2.0-050200rc6 -generic_ 5.2.0-050200rc6 .201906222033_ amd64.deb
Then install them by:
sudo dpkg -i $files_name.deb
after that, reboot and run uname -a to check if the kernel is 5.2.0 and check if sound works or not