Yes, I succesfully downgraded my N3DS XL 10.3 to 9.2 and I think I should install rx tools. But I cant find clearly tutorial. This one is good tutorial but not included n3ds tutorial: https://gbatemp.net/threads/tutorial-installing-rxtools-custom-firmware-3ds-and-2ds.390867/ Can I use o3ds steps for n3ds? Or what should I do? Thanks... Note:Maybe this threat may helpful for other people.