If you're here, you've probably tried to get the touchpad on your Ideapad flex 5 14are05 working under Linux to no avail. I've been trying to get mine to work since I got it, and after a long time, it finally works for most of the time.
Note
SHA256 for EECN31WW.exe is 13230dea21242916bb18573509d454c2149d462f60b85dca23b2cfba6c5219ba
Laptop Model: Lenovo IdeaPad Flex 5 14ARE05 (AMD Ryzen 3 4300U/AMD Ryzen 5 4500U/AMD Ryzen 7 4700U)
OS: Tested on Debian-based distros (Zorin OS 18 Pro, Ubuntu 22.04)