Boot9.bin File -

The boot9.bin file is identical across all 3DS models (Old 3DS, New 3DS, 2DS), so a dump from one console can generally be used for PC-side tasks involving others.

(startup code) for the system’s ARM9 processor, which is responsible for the 3DS's core security and encryption. What is boot9.bin used for? Decryption boot9.bin file