As of Luma3DS v8.0, boot9strap v1.2 or higher is required for usage and all previous entrypoints are no longer supported. Refer to for information on how to update from arm9loaderhax, or start from if you do not yet have arm9loaderhax or boot9strap.
Extract boot.firm from the archive with a tool like or to the root of your 3DS' SD card.
If your 3DS will not power on after this step or you get an Unsupported Loader error, please try .
Simply download the latest release from and replace boot.firm on the SD card.
