Unlikely. Apple's security is now hardware-level (Secure Enclave, SEP, AEAD encryption). The cost to find an exploit to bypass signing is worth millions of dollars – researchers sell them to Apple (bug bounty) or governments (zero-day brokers), not to the public. Consumer modified firmware for A13+ devices is essentially extinct.
A is a version of the official Apple firmware that has been altered by third-party developers. For the , these files are often used for: descargar firmware modificado iphone 11 work
