if you can use homebrew (idk how rxtools work) you can try JKSM to backup your saves.but i dont wanna lose my animal crossing new leaf save file.
No problem, it will be kept (and just to be sure, you can install right now a save manager like JKSV or Checkpoint, and create a backup - that will be restorable now, afterwards, or on any other modded console)but i dont wanna lose my animal crossing new leaf save file.