Im on firmware 9.4.0-u21 3ds new and im trying to follow this tutorial to downgrade to 9.2 I have followed it step by step but im stuck on the part where you restart your 3ds while holding L the screen flashes then I go to sysupdater and it freezes on a black screen
http://wololo.net/2016/01/04/3ds-system-software-downgrade-tutorial/
http://wololo.net/2016/01/04/3ds-system-software-downgrade-tutorial/