@Jake Lo thank you for sharing the EFI you posted here. I used it for my Dell 5490 laptop and it gives very good results, but wifi doesn't show any network to connect, touchpad works fine but buttons on touchpad mouse not working. Can you help me Fix it? Thank you very much.
Configuration:
Intel i7-8650U
Intel UHD Video 620
8GB ram DDR4 2666
Wifi Intel Wireless-AC 8265