HiyaCFW - World's FIRST Nintendo DSi CFW!

[dlevere]

With this CFW, you can run custom DSiWare, alongside region free and 3DS-exclusive DSiWare (WarioWare Touched), on your SD card, via NAND to SD redirection!

You can also run blocked flashcards (such as R4 Ultra).

How to use (requires Unlaunch installed. How to here.)

Source