If you want to boot into the DSi Home Menu rather than launching a game directly, a valid NAND is required.
Titles like Zelda: Four Swords Anniversary Edition or Flipnote Studio must be "installed" to a virtual NAND to run. nandbin melonds
The nand.bin file is a raw dump of the DS or DSi's on-board NAND flash memory. Unlike standard game ROMs (which contain game data) or BIOS files (which contain boot instructions), the NAND stores: If you want to boot into the DSi
In the world of Nintendo DS emulation, is the critical file representing the console's internal flash storage. For melonDS , this file is the backbone of advanced features, particularly for those looking to emulate the Nintendo DSi and its library of DSiWare. What is nand.bin? Unlike standard game ROMs (which contain game data)
Specifically for DSi systems, where save data for digital titles is stored within the NAND rather than on a cartridge. Why You Need nand.bin for melonDS
Setting up the NAND involves linking the file within the emulator's configuration. For PC (Windows/Linux/Mac):