Hello Jaxov, my wife accidentally restored my jailbroken and unlocked iPhone 4 to iOS 4.3.4. I got my baseband upgraded then lost both my jailbreak and unlock, and right now I’m starting to use my official AT&T SIM card. Fortunately I have made an iOS 4.3.3 SHSH Blobs backup, but quite unsure how to restore it into my device. Now, my question is, is it possible to jailbreak my iPhone 4 on using JailbreakMe 3.0 since the exploit used on this tool was patched after restoring iOS 4.3.4? Thanks.
Asked by: Lionel from Corpus Christi, Texas
Anyway, you can follow this tutorial on how to downgrade iOS firmware of the iPhone, iPad, and iPod Touch. Regarding JailbreakMe 3.0, I do not think that there will be an issue if you re-jailbreak your iPhone 4 using JailbreakMe 3.0 as your iPhone 4 will run on iOS 4.3.3 firmware after the downgrade. You can follow this tutorial on how to jailbreak iPhone 4 on iOS 4.3.3 using JailbreakMe 3.0. After jailbreaking, you should install PDF Patcher 2 to patch the security flaw that was used to jailbreak your device. Developed by Comex itself, this PDF Patcher 2 will protect your device from malicious content. Also, if you are interested to unlock your iPhone again, then check this guide on how to unlock iPhone 4 on iOS 4.3.3 using Gevey Pro.