For the , stick to iOS 14.8.1 or lower for best results.
The "0.12.4" version is significant because it introduced improved stability, faster exploit triggering, and support for more devices on newer iOS versions (up to iOS 14.8.1 at the time). For Windows users who don’t own a Mac, this version is a lifesaver. checkra1n 0.12.4 beta windows
Avoid tweaks that modify system partitions heavily, as checkra1n relies on a read-only root filesystem (unless you manually remount with mount -o rw,union,update / ). For the , stick to iOS 14