Using the tool, you will combine the iOS 7 IPSW with your saved SHSH blobs. This process effectively tricks the device into believing Apple is still signing the firmware.
Place your iOS 7.1.2 IPSW, your saved SHSH blob, and the Futurerestore application into a single folder. Downgrade Iphone 5s To Ios 7
However, downgrading an iPhone 5s is not a straightforward process. Apple strictly controls which operating systems can be installed, a process called "signing." Using the tool, you will combine the iOS