I´m really want to install ARM9HL in my O3ds. At this moment my SD card has an Emunand Partition and RXTools installed. FBI has been injected on the Health and Safety Application. I´ve been reading the Plailect Guide to install ARM9HL. In Part 4 (2.1.0 Downgrade) the guide declares "If you have an existing EmuNAND, you can follow this part without switching to RedNAND by following all RedNAND steps as if they said EmuNAND". It´s this posible? Do i have to follow aditional steps? Will i have some trouble on part 5 of the guide? I don´t want to risk my 3ds or the abbility to run my .cia games.