How do figure out what 3ds NAND extdata/sysdata codes mean?

Discussion in '3DS - Flashcards & Custom Firmwares' started by xdarkmario, Aug 26, 2015.

  1. xdarkmario

    xdarkmario Philosopher

    Dec 30, 2010
    United States
    Mushroom Kingdom
    Ok so im just getting into learning the anatomy of the 3ds NAND Filesystem and i have no what idea on how to tell what the title id's are. for example
    in the

    in there is a ton of folders with all kind of names and in each of them is a file simply named 00000000 all with variable sizes see here
    Folders NAND.PNG

    in a example, a small goal i would like to do is backup and restore the mii streetpass plaza savedata.
    how am i supposed to figure out what folders belong to what?
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