Backing Up and Restoring Your 3DS Save Data

If you're playing on an emulator instead of a console, getting your save data is far easier and requires no hardware except for a compatible computer. However, if you're using a Homebrew-enabled Nintendo 3DS, there are alternative methods to back up and restore your save data.

Using JKSM or Checkpoint

If you're using Homebrew, or if you simply do not want to use Checkpoint, follow this tutorial to use a tool called JKSM. A comprehensive guide on how to set it up can be found here. On the other hand, if you're using Custom Firmware (CFW), the recommended tool is Checkpoint.

Compatibility and Limitations

It's essential to note that not all save data backup tools are compatible with every 3DS console. For instance, Powersaves, SMS4, and NDS Backup Adapter Plus will not work because they export the raw save, which must first be decrypted using a hacked 3DS or a Cybergadget.

CFW Installation

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 on Japanese retail cartridges and is outside the scope of this guide.

Homebrew Launcher Integration

As the 3dsx launching code is also present in the Homebrew Launcher, you only need to add the HTTPS launching functionality from JSON. If you end up adding the functionality to homebrew launcher, it would be nice of you to do a pull request to the actual repository and everyone would benefit from that.

Backup and Restore Process

In order to backup or restore your 3DS saves from a cartridge or eShop title, you will first need access to CFW or homebrew. You can also just fork homebrew launcher, of course. System doesn't reboot between retries, home menu doesn't reboot between retries, homebrew launcher doesn't reboot between retries and retries are automatic.

Master 3dsx and Slave 3dsx

Make it so you launch your slave 3dsx received from the master 3dsx you did. Make a master 3dsx application for 3DS accepting your HTTP connections and send the slave 3dsxs to the console. No launching on boot, only through Rosalina or a Brahma capable exploit.

The Homebrew Launcher is a powerful tool that allows you to back up and restore your 3DS save data with ease. By following this guide, you can ensure that your precious game progress is safe and secure. Remember to always use caution when using homebrew software and custom firmware, as there are risks involved.

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