I used n3dsll base on fw 9.1 (downgrade from 10.x with sysupdate). i can install gw , homemenuhax, rxtools & can run completed. But in RxTools menu Advanced and FBI injection. I checked information. It's showed region Only but number (TMD version) not show. Now i random number in folder injecttion (3 folder) and put on root sdcard & run it on fbi injection & check in health&safety. but It's nothing How To Fix it.