This comprehensive guide covers everything you need to know about the nand.bin file, why it is critical for melonDS, how to acquire it safely, and how to configure it across your platforms. What is nand.bin and Why Does melonDS Need It?

Once you have your files, you need to tell melonDS where to find them.

To use a nand.bin in melonDS, you must also dump your console's unique encryption keys (usually named bios7.bin , bios9.bin , and firmware.bin ).