How To Downgrade iPhone 4 to ANY iOS Version Untethered NO SHSH BLOBS! - iPhone Wired
Question] Trying to restore iPhone 4. I keep getting this error. I've tried recovery mode, dfu mode, and updating Windows. I'm using a genuine Apple 30 pin-cable. What should I do now? :
How to Downgrade iPhone 4 from iOS 7 to iOS 6.1.3 (Without SHSH Blobs) – iPodHacks142
How do I put this passcode locked iPhone 4 into DFU mode to use Sliver to bypass said passcode? iTunes won't let me put the device into DFU mode because it is
iphone 4 IOS 7.1.2 icloud bypass step by step - video Dailymotion
Jailbreak 7.1.1 download links available for iPhone.
How to Put iPhone 7 & 7 Plus in DFU Mode Quickly
2 Methods to Put iPhone in DFU Mode (No Home Button)