Many are dumped publicly at https://securerom.fun/ https://securerom.fun/ Some were dumped via known exploits, but I don't know how A12/A13 were dumped in the

Many are dumped publicly at https://securerom.fun/ https://securerom.fun/ Some were dumped via known exploits, but I don't know how A12/A13 were dumped in the first place. I'd guess someone got code exec via fault injection and dumped it out that way, or perhaps just a privately known vuln. iBoot source code has also been leaked, in the past.