Boot9.bin 3ds Online

For the first time, users could dump the BootROM itself. That dumped file became boot9.bin .

If you used GodMode9 to hack your system, you likely already have this file in your /gm9/out/ folder. Losing this file won't break your DS, but losing it and your system files later could be a permanent disaster. Boot9.bin 3ds

On May 20, 2017, a hacker named derrek (with contributions from nedwill, plutoo, and others) released —an exploit that revealed a catastrophic flaw: the BootROM contained an unsafe hash comparison that allowed arbitrary code execution before the signature check completed. For the first time, users could dump the BootROM itself

Alternative method if you cannot find the file directly: Losing this file won't break your DS, but

Families came. They held their dead consoles. They tapped their screens. And for a moment, they saw their Miis wave again.