Once you have dumped your files, they usually go in these folders (depending on your OS): %AppData%\Citra\sysdata Linux/Android: .local/share/citra-emu/sysdata
Downloading BIOS or system keys from the internet is considered copyright infringement because they are proprietary software owned by Nintendo. The only legal method is to "dump" them from your own hardware: Tom's Hardware Mod your 3DS Nintendo 3ds Bios File Download
Downloading a BIOS file from an untrusted source can be risky and may potentially harm your device. It's essential to obtain the file from a reputable source to avoid any issues. Once you have dumped your files, they usually