: Ensure your dump has a "nocash footer" (a 64-byte block starting with DSi eMMC CID/CPU at offset 0xF000000 ) . Configuration : Open melonDS and go to Config > Emu settings > DSi mode . Check the box for DSi mode . Link your nand.bin in the "NAND image" field.
The nand.bin is a raw image of a Nintendo DSi’s internal storage. It contains the system's firmware, user settings, and any installed DSiWare applications. Unlike the standard firmware.bin used for original DS emulation, the nand.bin is specific to each individual console and is encrypted using unique keys.
If you are a casual player who just wants to play Pokémon HeartGold with a clean UI, stick to the official melonDS 0.9.5. It’s stable, it’s safe, and it doesn't require legal homework.
It allows melonDS to use the actual system software for a more authentic experience. Setting Up the Newest Version (0.9.5 and Above)
One of the most requested features was reliable Wi-Fi emulation. Nandbin’s fork patches several timing issues that caused desyncs in Mario Kart DS and Animal Crossing: Wild World . Additionally, the (emulating the enhanced DSi hardware) now boots more commercial titles, including DSiWare exclusives.