I have old 3ds now is on 11.4fw, hacked with b9s with luma v7.1. When i press select and power i see luma selection screen. If i press start + power goodmode9 does not appear. Now the sd card is formated, i need to reinstall FBI via H&S. I also have full nand backup to version 11.2. Where to start, please advice. Thank you. What files do i need to start gm9?