Because the firmware lacks an official signature, standard boot components will reject it. You must use the tool's specific boot command (e.g., ./boot.sh ) while the phone is in DFU mode to push a patched kernel, allowing iOS 7 to successfully boot to the setup screen. Living with iOS 7 on the iPhone 5s
Downgrading vintage hardware comes with significant real-world trade-offs that you should consider before starting. Downgrade Iphone 5s To Ios 7
While Apple makes it difficult to go back in time, the iPhone 5s remains a favorite for the "retro" iOS community. If you have the patience for jailbreaking and terminal commands, seeing that sliding unlock bar and the original iOS 7 control center is a rewarding blast from the past. For most users, CoolBooter remains the most functional way to enjoy iOS 7 without losing the utility of a modern OS. Because the firmware lacks an official signature, standard
⚠️ The Secure Enclave Processor controls Touch ID and system security. The iOS 12 SEP is generally incompatible with iOS 7. Attempting an untethered restore using modern tools may cause a restore failure or break Touch ID functionality completely. What to Expect: Living on iOS 7 Today While Apple makes it difficult to go back
Install the necessary dependencies (such as Homebrew , libimobiledevice , and openssl ) as required by the specific script you choose.