3DS:fastboot3DS/Usage

Updating fastboot3DS

What you need

• The latest release of fastboot3DS (the .7z file)

Section I - Prep Work

1. Insert your SD card into your computer
2. Copy fastboot3DS.firm from the fastboot3DS .7z file to your SD card
3. Remove your SD card and put it back into your 3DS

Section II - Updating

1. Press and hold Home, and while holding Home, power on your device. This will open fastboot3DS's menu
2. Select "Miscellaneous..."
3. Select "Update fastboot3DS"
4. Navigate to the fastboot3DS.firm file and press A
5. Press B or Home to reboot your device

fastboot3DS has been successfully updated!

Adding a Boot Slot

1. Press and hold Home, and while holding Home, power on your device. This will open fastboot3DS's menu
2. Select "Boot setup..."
3. Select "Setup [slot X]...", depending on which slot you would like to configure
   • Boot slots are tried in order, starting from the top
4. Select "Select [slot X] firm"
5. Navigate to whichever .firm payload you would like
6. Press A to select it and return to the boot slot configuration menu
7. Decide when you would like this payload to boot
   • If you wish for it to boot automatically, choose "Set [slot X] autoboot"
   • If you wish for it to require a button combination to be held, choose "Set [slot X] keycombo", then hold the desired buttons for 3 seconds
8. Press B to return to the boot setup menu
9. Press B to return to the main menu
10. Select "Continue boot" to load the first available boot slot

Your FIRM payload has been added to one of fastboot3DS's boot slots.

Creating a NAND Backup

1. Make sure your SD card is inserted
2. Press and hold Home, and while holding Home, power on your device. This will open fastboot3DS's menu
3. Select "NAND tools..."
4. Select "Backup NAND"
   • This process will take some time
   • If you get an error, make sure that you have at least 1.85GB of free space on your SD card
5. Press B or Home to continue
6. Power off your device

Your NAND backup has been successfully created. You can find it in /3ds/ under the name <date>_<serialnumber>_nand.bin. You will probably want to back up this file to somewhere safe, then delete it from your SD card to reclaim the space.

Restoring a NAND backup

1. Power off your device
2. Insert your SD card into your computer
3. Copy <date>_<serialnumber>_nand.bin from your computer to the /3ds/ folder on your SD card
4. Reinsert your SD card into your device
5. Press and hold Home, and while holding Home, power on your device. This will open fastboot3DS's menu
6. Select "NAND tools..."
7. Select "Restore NAND"
8. Select your NAND backup
9. Read the warning on the top screen
10. Press A + D-Pad Left to confirm
    • This process will take some time
11. Press B or Home to continue
12. Power off your device

Your NAND backup has been successfully restored. You can now delete <date>_<serialnumber>_nand.bin from your SD card.

Dumping Bootroms and OTP

1. Make sure your SD card is inserted
2. Press and hold Home, and while holding Home, power on your device. This will open fastboot3DS's menu
3. Select "Miscellaneous..."
4. Select "Dump bootroms & OTP"
5. Press B to power off your device

Your consoles OTP and bootroms have been successfully dumped. You can find them in /3ds/ as boot9.bin, boot11.bin, and otp.bin.