To use my gateway on B9S I did this:
Set my sysNAND to 9.2, get an SD card with luma on it, put a 11.6 redNAND on it
Get another SD card, get the 2.46.firm kernel file, boot into an unhacked environment, and use browserhax to access the gateway menu. Make an emuNAND, boot into it, and update it to 11.2 using sysUpdater
Unlink sysNAND by running tinyFormat in sysNAND
Then, use the GW SD card, go into browserhax, go into homebrew launcher, open up menuhax manager, install menuhax, and now on bootup with the GW SD card I get into a nice menu from which I can run GW.3dsx
So now I use the GW SD card and I get into an 11.2 emuNAND
Or I use the luma SD card and boot into an 11.6 redNAND
Set my sysNAND to 9.2, get an SD card with luma on it, put a 11.6 redNAND on it
Get another SD card, get the 2.46.firm kernel file, boot into an unhacked environment, and use browserhax to access the gateway menu. Make an emuNAND, boot into it, and update it to 11.2 using sysUpdater
Unlink sysNAND by running tinyFormat in sysNAND
Then, use the GW SD card, go into browserhax, go into homebrew launcher, open up menuhax manager, install menuhax, and now on bootup with the GW SD card I get into a nice menu from which I can run GW.3dsx
So now I use the GW SD card and I get into an 11.2 emuNAND
Or I use the luma SD card and boot into an 11.6 redNAND