I just received my 16GB Class 10 Sandisk SD card which I ordered for my 3DS, and it's not as big a difference than I thought it would be, but it certainly does load faster. Seeing how I almost don't download anything, this will probably last me a lifetime
Well I derped, it seems like the card I bought isn't compatible with the 3DS. It keeps saying I don't have a SD card inserted, then that I do, then that I don't... I've got to buy another one, after making sure ibeforehand that I'm buying a compatible one this time around
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Did you try to format the card at all? The SD card should work on there because there are some people who have been using the same type of card and it works on their 3DS. That's pretty weird.