Originally posted by Raiki
You don't need the SFO. Get your save file, replace all files except the SFO, transfer it to your computer and back to your flash drive. It should be properly signed to your account after. You need a another save from yourself for this though to be in the folder though, like for another game so that you can establish who the proper user is.
i do need the .sfo because the save is copy protected so i can not use my own save for he .sfo and i dont have a cfw