Blobs _hot_: Shsh

During a custom restore process using saved blobs, the target iOS version must remain compatible with the SEP firmware of the currently signed iOS version. If the current SEP firmware is incompatible with the older iOS version you want to install, the restore will fail, or your device will boot without any biometric security functionality.

If the SEP/Baseband from the currently signed iOS version is with the older iOS version you want to downgrade to, the restore will succeed. shsh blobs

If the currently signed SEP/Baseband is , the restore will either fail, brick your device, or cause critical features like Face ID and cellular signal to stop working entirely. During a custom restore process using saved blobs,

If you save these blobs while a specific iOS version is still being signed, you can use third-party tools like FutureRestore If the currently signed SEP/Baseband is , the

Connect your iPhone to your computer and open Finder or iTunes.