Because these files are copyrighted by Nintendo, downloading them from the internet is illegal in many jurisdictions. The only legal method to obtain them is to "dump" or extract them from your own physical Nintendo DSi hardware. Method 1: Using a Modded DSi (Recommended)
To fully emulate the DSi environment, you typically need the following four files: : The BIOS for the ARM7 processor. : The BIOS for the ARM9 processor. firmware.bin : The operating system of the console. dsi bios files download
However, downloading and using DSi BIOS files from unauthorized sources can be fraught with risks: Because these files are copyrighted by Nintendo, downloading
Once you have legally dumped your BIOS files, setting them up in a modern emulator is straightforward. : The BIOS for the ARM9 processor
Goal: Test commercial DSi game backup (legal only if you own the cartridge)