I haven't seen this answered in the FAQ, so I'll try here. If we get a nice, clear answer (other than 'why wouldn't you use fake region?' type) it should be added.
Here's what I have: n3DS XL, B9S 1.2, LUMA 8.1. SysNAND 11.4 USA, EmuNAND 11.3 EUR. When I choose to "use EmuNAND FIRM" option in...