Disclaimer: I'm not responsible for any bricks due to not correctly following instructions. Last Updated: 01/20/18 Fastboot3DS is a bootloader for the 3DS console, intended to be installed to the FIRM0 partition. It allows you to assign homebrew in .firm format to bootslots, and to chainload bootslots via either a bootmenu or a button combo of your choosing. fastboot3DS also contains basic tools for NAND backups and restores What you will need: An existing B9S Installation (Follow 3ds.guide) Any SD compatible with your 3DS A computer The latest release of OpenFirmInstaller: https://github.com/d0k3/OpenFirmInstaller/releases The latest release of Fastboot3DS: https://github.com/derrekr/fastboot3DS/releases The latest release of Luma3DS: https://github.com/AuroraWright/Luma3DS/releases Steps to follow: 1. Take out your console's SD Card and insert it into your computer. 2. Create a folder called "ofi" (without the quotations) on the root of your SD Card. 3. Extract the contents from latest FastBoot3DS zip file to /ofi. 4. Extract OpenFirmInstaller.firm from the latest OpenFirmInstaller zip file to /luma/payloads. 5. Copy boot.firm from latest Luma3DS 7z file to the root of SD Card (overwrite any existing files). 6. Insert your SD Card back into your 3DS. 7. Hold Start during boot to enter Luma3DS Chainloader Menu. 8. Select OpenFirmInstaller. 9. Enter the combo keys to install Fastboot3DS. 10. Reboot the console. Fastboot3DS menu should appear. 11. Select Boot Setup..., then Setup [slot 1] ..., Select [slot 1] firm. 12. Navigate to sdmc:/boot.firm and press A on it. 13. Press B, now press A on Change Boot Mode... 14. Select "Set quiet boot" 15. Now, you can assign any firm payloads you want to bootslots. 16. Press B until you get to the main menu, then continue boot. 17. Congratulations! Now fastboot3DS will automatically launch Luma3DS on boot. You can go back to the Fastboot3DS by pressing Home button during boot. Fastboot3DS disscusion thread: https://gbatemp.net/threads/release-fastboot3ds-open-source-bootloader-chainloader.492445/ Credits go to d0k3, derrekr and profi200 for creating this awesome bootloader.