If it is, restore to the latest signed iOS version using iTunes. Ensure your device is not running a jailbreak.How to downgrade without SHSH Blobs using GeekGrade Preparation GeekGrade IPSW for your target firmware.iOS 6ĭownload GeekGrade IPSW iPhone 4 (GSM 3,1) You just need to grab the appropriate modded IPSW and you will be able to go back to it. It’s very simple to use and all you need to do is tap Shift+Restore and you are all set! Compatibility DeviceĪll firmware versions below and including iOS 6 are compatible. It is not a utility per se because it works via iTunes. You don’t need a jailbreak or SHSH Blobs to go back. What this does is, it allows you to downgrade your A4 device to iOS 6 or below from any latest version. It is developed by LazyDevTeam member Damien along with other developers. GeekGrade is a tethered downgrade utility for devices using Apple’s A4 processor. How to downgrade without SHSH Blobs using GeekGrade.
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