Before touching a single cable, understand that downgrading to an unsigned iOS version is not a beginner’s task. You will need:
If the downgrade sounds like too much work, consider: downgrade iphone 4s to ios 5
The most reliable tool in 2026 for this process is the Legacy iOS Kit . It is supported on and macOS and automates many of the complex terminal commands required for older devices. Prerequisites A Mac or Linux PC. A high-quality 30-pin USB-A cable. Go to product viewer dialog for this item. (jailbroken on iOS 9.3.6 is the easiest starting point). The target iOS 5.1.1 IPSW file from IPSW.me . Steps to Downgrade LukeZGD/Legacy-iOS-Kit - GitHub Before touching a single cable, understand that downgrading
By following this guide, you should be able to successfully downgrade your iPhone 4S to iOS 5. Good luck! Prerequisites A Mac or Linux PC