Your screen must remain completely black. If you see an iTunes logo, you enter Recovery Mode instead and must try again. Step 4: Run the Exploit and Flash Firmware Open your downgrade tool (e.g., LeetDown).
Your screen must stay completely black. If the iTunes logo appears, you are in Recovery Mode and must try again. Step 2: Exploit the Device (Pwned DFU) Open your chosen terminal-based downgrade tool on your Mac. Run the command to inject the checkm8 exploit. Downgrade Iphone 5s To Ios 7
The short answer is . Here is a complete, realistic guide to the status of downgrading the iPhone 5s to iOS 7, the technical hurdles involved, and the methods available today. The Core Problem: Apple's Signing Window Your screen must remain completely black
If you happened to save SHSH blobs for iOS 7 when it was still supported, you can perform a permanent, untethered downgrade using Legacy iOS Kit CoolBooter (Dual Booting): Your screen must stay completely black
Many modern websites use encryption and web standards that iOS 7's version of Safari cannot render. Expect rendering bugs or connection errors on secure modern websites.
: You must have saved SHSH blobs for iOS 7 while it was still being signed by Apple.