Hey uh, can't exactly get this to work. I have this card:
But I used a tutorial to replace the kernel for YSMenu: https://gbatemp.net/threads/ysmenu-for-r4-sdhc.187663/
I did the whole process, used with both the files from the folders "for Slot-1 microSD (R4i Gold, R4i-SDHC)" and from "for...