For collectors, retro-tech enthusiasts, or those simply craving "the good old skeuomorphic design," downgrading the iPhone 4s to iOS 5 is the holy grail. But here’s the brutal truth: . That means you cannot simply press "Restore" in iTunes. Instead, you need advanced tools, shsh blobs, and a bit of luck.
If you previously saved SHSH blobs for iOS 5 for your specific device, you can perform a permanent, "untethered" downgrade using tools like Legacy iOS Kit Dual-Booting (No Blobs Needed): You can keep your current iOS (e.g., iOS 9.3.6) and use CoolBooter
If you do not have blobs, you can still downgrade, but the device will require a computer connection to boot every time it restarts. downgrade iphone 4s to ios 5
Open Cydia, let it refresh, and install from the default repositories. Step 2: Set Up Legacy iOS Kit on Your Computer Open the Terminal app on your Mac or Linux PC.
Follow the prompts to enter DFU mode again, and the computer will force the iPhone to boot into iOS 5. Why Downgrade to iOS 5? iOS 5 is incredibly fast on the A5 chip. Instead, you need advanced tools, shsh blobs, and
What is the your iPhone 4s is currently running?
Use a tool like Phœnix to jailbreak your iPhone 4s on its current iOS 9 firmware. Open Cydia once the jailbreak is complete. Step 2: Install CoolBooter In Cydia, go to the tab. Step 2: Set Up Legacy iOS Kit on
iOS 5 was built specifically for the A5 chip. Apps launch instantly, and animations run at a fluid 60 frames per second.
You must stitch your saved SHSH Blob into the iOS 5 IPSW to trick the verification server.
Many modern websites will fail to load due to outdated security certificates. iCloud: Syncing may be buggy or limited.
If you find the command-line interface intimidating, or if you still want access to iOS 9 features, you can use . This is an app installed via jailbreak that allows your phone to hold two operating systems at once.