I just started having an odd issue with the Mega SD where all of a sudden now save states don't seem to be working anymore. I'm on the latest firmware, never changed any of the settings, tried many games, and two different systems. I also checked if there was anything wrong with the 400gb SanDisk microSD card I'm using and my computer didn't detect anything as well as still having lots of free space left. I can still load states in the small quantity of games I've done so so far that were saved previously but that's it and can no longer save in any other game no matter which one I choose for some reason. I haven't had any problem with saving at all in the past. If someone could possibly be of any help it would be greatly appreciated.