So I saw somewhere someone saying that whenever you buy a new card you should reformat it using a SDformatter or some program named similarly before you start using it with your 3DS because otherwise it could do damage to the reader and stuffs. Is this true? Should I? If yes, how do I do it? Edit: So here's the deal: My computer doesn't have a place to put the SD Card in, but someone in my family has a Samsung Galaxy 3 - will it be possible to format the card by putting it in the smartphone and plugging it into the computer? BUT I just realized those phone use Micro SD and not normal sized ones... So is there any other way I can do this?