i fowllowed it but when i load rxtool cold boot it shows a black screenhttps://gbatemp.net/threads/tutorial-installing-rxtools-custom-firmware-3ds-and-2ds.390867/
http://gbatemp.net/threads/tutorial...ncluding-emunand-coldboot-cia-manager.405589/
Next time read the tutorials first which if you did you would have seen it