3ds Bios File Download For Android 〈Pro × CHOICE〉

The 3DS BIOS (Basic Input/Output System) is firmware that controls the basic functions of the Nintendo 3DS console. It's essentially the console's operating system.

That being said, here's some information that might help: 3ds bios file download for android

Here is one Citra link: https://citra-emu.org/ The 3DS BIOS (Basic Input/Output System) is firmware