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Jailbreak & Unlock iPhone 4 with Redsn0w 0.9.9b1 & Gevey SIM on iOS 4.3.5

Hi guys, I just jumped into the world of iOS and everything about jailbreaking and unlocking is new to me. Anyway, I have a brand new iPhone 4, which I just restored to iOS 4.3.5. I asked AT&T for an unlock code so that I could use it over other networks, but their representative told me that the device cannot be unlocked. I already ordered a new Gevey SIM Pro and downloaded Redsn0w 0.9.9b1 for Windows. How can I unlock this phone using Redsn0w and Gevey? Thanks.

Asked by: Bob from Beech Grove, Indiana

Hello Bob, unfortunately, AT&T does not unlock any iPhone even if the device is out of contract, and there’s no such thing as AT&T iPhone unlock code. Anyway, there are two options available in order to unlock an iPhone. First is via software-based unlock, courtesy by Ultrasn0w carrier unlocking tool. The other one is through unlocking your iPhone using Gevey SIM, which is a hardware-based unlocking tool.

Regarding your concern, you will be able to unlock your iPhone using your Gevey SIM after jailbreaking and hacktivating it with Redsn0w 0.9.9b1. However, due to numerous negative feedbacks and reports associated with the newly released Redsn0w, it is wiser to jailbreak your iPhone using the previous version of Redsn0w. In your case, since you are on iOS 4.3.5, I would recommend you to jailbreak your iPhone using Redsn0w 0.9.8b7. You can download the Windows version of Redsn0w 0.9.8b7 using this link (Mac OS X users can get Redsn0w 0.9.8b7 from here). Then follow this guide on how to jailbreak iPhone on iOS 4.3.5. Then once completely jailbroken just simply activate your iPhone using to iTunes and official SIM card or with SAM. Then use this guide to unlock your iPhone on iOS 4.3.5 using Gevey SIM Pro.

Unlock iPhone 4 4.3.5 using Gevey Pro

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