A12+ devices (iPhone XR, XS, 11 series, and newer) because the checkm8 bootrom vulnerability was patched after the A11.
Checkn1x is a "distro-less" bootable image (around 50MB) that contains only the bare essentials needed to run the checkra1n tool. Since checkra1n is built on the checkm8 exploit checkn1x106amd64iso full
As of 2025, the checkm8 exploit remains unpatched on vulnerable devices. Developers continue updating palera1n, and Checkn1x will likely see a 1.1.0 release with better GPU drivers for AMD Radeon integrated graphics. For now, version 1.0.6 AMD64 is the most stable choice for users with Ryzen 3000/5000/7000 series CPUs. A12+ devices (iPhone XR, XS, 11 series, and
Place vmlinuz and initrd.img in your TFTP root. A12+ devices (iPhone XR
Follow the on-screen prompts exactly: