Since yesterday I am despairing. Ich tried with NtrBoothax to install my N3DsXL Custom Firmwares but what does not work. Already at the magnet I do not go further when I release the buttons Start Select X and Power off my N3Ds just turns off. I've already formatted the SD card from N3DS and reinstalled everything but it always comes the same result. I've done everything as in this video here: