Dsi: Bios Files Download Link Best

DSi BIOS files are copyrighted material: Nintendo owns the rights to the DSi BIOS, and it's essential to respect their intellectual property.
Downloading BIOS files may require consent: Ensure you have the necessary permissions or follow the applicable laws in your region when downloading copyrighted materials.

NAND dump

For full DSi emulation, you also need a (the internal storage). This is not the same as BIOS. The NAND includes system settings, DSiWare, and console-specific encryption keys. You can dump it using the same homebrew tools.

If you don't have a modded DSi, you can use a flashcard (like an R4) on a DS console. dsi bios files download link