>>34996873dumping a cart = producing an installable .cia file (basically 3ds version of an exe or dmg file)
essentially just so it looks like you have a ~legit~ installation. update with a cart if you can, bans have been going around lately, (probably) for updating usum from installed copies without eshop purchase records.
3ds hacking is easy enough, and google is your friend ;*)
good luck ;*)
