I don't know if it's just me but I have always had this issue with my digital copy of pokemon y on my 3ds ever since the release day. The game works fine as expected but when I save it, it takes way too long compared to the physical copy that is almost instantaneous. I didn't care much until now.. I'm using a [16gb kingston SDHC class 4] card. I think the default card is class 4 as well... so idk what may cause this issue... for those of you who bought the digital release of pokemon xy... have you experienced this?