He had tried every standard bypass. Brute force was useless against the device's secure enclave. He needed to go deeper, into the very roots of the hardware. That’s where came in.
If you want, I can:
sudo dd if=checkn1x-1.0.6-amd64.iso of=/dev/sdX bs=4M status=progress checkn1x-1.0.6-amd64.iso download
: This jailbreak is semi-tethered, meaning you must re-run checkn1x if your device restarts. He had tried every standard bypass
bootrom exploit, which is hardware-based and cannot be patched by Apple via software updates Jailbreak Type Semi-tethered checkn1x-1.0.6-amd64.iso download