DSiWare backup files are '.bin' files that have an 8-digit identification inside the Nintendo DSiWare folder.
It only contains the bare minimum required to run DS games. The files must be placed in the same directory as the melonDS executable, as follows: * bios7.bin - ARM7 BIOS, 16KB * bios9.bin - ARM9 BIOS, 4KB * firmware.bin - firmware, 256KB or 512KB Note: the DS-mode firmware in the 3DS isn't bootable. Free 3D trash-can models for download, files in 3ds, max, c4d, maya, blend, obj, fbx with low poly, animated, rigged, game, and VR options.
