is the "set it and forget it" tool for iOS 12–14 jailbreaking. Tiny size: Only ~100MB. Plug & Play: Boot from USB, no Linux knowledge needed. Uses the legendary checkra1n engine. ISO from GitHub balenaEtcher
(Deprecated but still used for older iOS) checkn1x106amd64iso better
mksquashfs squashfs-root new-checkn1x.sfs -comp xz -b 1M is the "set it and forget it" tool