I have a Lenovo Thinkpad Yoga that claims to be certified by both Lenovo and Canonical for Ubuntu. Finger print sensor doesn't work, the fans are super loud all the time, audio doesn't work (requires a newer Linux kernel than the one shipped in the latest Ubuntu), EFI problems, sleep, hibernate, fast-boot, restore from hibernate problems, battery life on Linux is horrible... So at least the certification for Ubuntu i…
Are you using that kernel version? If not, use Ukuu or some other method and install it