
3DS SAVE DATA BACKUP ONLINE INSTALL
If your console is unmodified or only has homebrew access through a game like Steel Diver: Sub Wars, you should install custom firmware first.

The instructions here assume that you have custom firmware. Can be used on another 3DS, or on Citra.Can be used for save file editing (e.g.computer, online storage, external hard drive) With this in mind, there are many ways to export your save files into a format that: Like the save data for digital games, you would need to unpack and decrypt it in order to import it to another 3DS. replays) as "extdata" in a packed, encrypted format within the Nintendo 3DS folder. Cartridges and digital games save less important data (for example, Pokémon battle videos and Super Smash Bros.This means that in order to use your save data on another 3DS, you would need to unpack and decrypt it. Digital games save their data into a packed, encrypted format within the Nintendo 3DS folder.Such games will save as "extdata" (extra data) and will follow the same rules as digital games. This means that a cartridge's save data will remain when the cartridge is used on another 3DS. Cartridges usually have a place on the cartridge itself to save their data.The Nintendo 3DS stores save data in the following ways: It is therefore natural for those who have the means to want to back up their save data in some way.

While games can be re-downloaded from the Nintendo eShop and homebrew applications can be re-downloaded from the open Internet, save files are one of the user-generated things that cannot always be replicated in the event of catastrophic failure. Save data is, for most people, the most important thing that exists on the 3DS.
