It typically only supports older devices vulnerable to the checkm8 exploit (iPhone X and older).

Select the correct boot file for your specific iOS version and device model.

These tools often provide an "untethered" bypass, meaning the device remains bypassed after a restart, provided you do not set a new passcode or Touch ID, which may trigger the lock again.

Most ramdisk bypass methods for iOS 15 result in a device without cellular service (No Signal).