In order to backup or restore your 3DS saves from a cartridge or eShop title, you will first need access to CFW or homebrew. CFW is the preferred option, and a comprehensive guide on how to set it up can be found here. If you do not have what you need to install CFW, and your 3DS is on a lower firmware, check Smealum's homebrew website to see if you have a compatible homebrew entrypoint. If you do not have one, you cannot backup or restore your 3DS saves without a Cybergadget, which only works o