any news? Had the same thing on my ROG STRIX h370-I Gaming.
I'm curious if it's possible to downgrade bios using this method https://www.asus.com/support/FAQ/1030111
Has anybody tried to flash it under win?
I have an Asus ROG Strix h370-i with BIOS version(2012).
Cannot reach either Mojave or High Sierra installer(stucks on apfs load start).
I have tried multiple prebuilt EFIs(from the guides for this mobo) and have built my own one using unibeast and tweaking config/adding required kexts.