Downgrade iPhone 4S to iOS 5: A Complete Guide to Nostalgia (2026 Edition)
These tools allow you to "dual boot" or bypass signing checks, but they are technical and may result in a "tethered" boot (meaning you need a computer to turn the phone on if it dies).
After you make your selection, the tool will take over:
You will need a computer running Windows (7, 10, or 11) or macOS. Disable temporary antivirus software or firewalls, as they can block communication with local exploit servers. Method 1: The Modern Command-Line Approach (LegacyiOSKit) downgrade iphone 4s to ios 5
Jailbreak your current iOS version (e.g., using Phœnix for iOS 9.3.5/6). Add the repo https://coolbooter.com in Cydia.
Released in 2011, the iPhone 4S was a landmark device, introducing the world to Siri and featuring the powerful A5 chip. While it was originally launched with iOS 5, the device continued to receive updates all the way up to iOS 9.3.5. However, as newer versions of iOS were released, users began to notice a significant decline in performance. Each subsequent update, from iOS 6 to iOS 9, placed an increasing burden on the aging hardware, leading to slower app launches, choppier animations, and a less responsive overall experience.
Let the script complete. It will patch the files, exploit the device, and install iOS 5. Phase 3: The "Tethered" Boot Downgrade iPhone 4S to iOS 5: A Complete
Go to . The device will believe it is running a launch-day iOS 5 firmware and will prompt you to download the "iOS 6.1.3 OTA Update". Download and install this update normally. Step 2: Push from iOS 6.1.3 down to iOS 5.1.1
No patches since 2014. Never connect to an untrusted Wi-Fi network or enter any password you still use today.
Release the but keep holding the Home button for another 10–15 seconds. While it was originally launched with iOS 5,
How to downgrade iPhone 4 to iOS 4, iOS 5, and iOS 6 in 2025
You will need a Mac (macOS) or Linux (64-bit) computer. Windows is generally not supported for this specific, reliable method.
Use a computer running macOS or a Linux distribution (Ubuntu is highly recommended). Windows users can use a live Linux USB boot drive. Install (on Mac) to easily manage dependencies.