I am using a 'SanDisk Ultra' - 16GB - Class 10.
I tried 3 different micro sd cards, the one I mentioned above, one SanDisk 8GB Class 4, and one Kingston 4GB Class 4.
My console is EU, same as the roms I downloaded
I did this process. I formatted the card to FAT32 using 'SDFormatter' tool.
I...