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Can I Unlock iPhone 4 Baseband 3.10.01 After JailbreakMe 3.0?

Hi, I am planning to jailbreak and unlock my newly purchased iPhone 4. It is currently runs on iOS 4.2.1 with baseband 3.10.01 installed. Will I be able to jailbreak my iPhone 4 using JailbreakMe 3.0 and unlock it with Ultrasn0w 1.2.3? Please advice. Thanks.

Asked by: Jamal from Memphis, Tennessee

Hello Jamal, sad to say that you will not be able to jailbreak your iPhone 4 on iOS 4.3.3 using the latest version of  Ultrasn0w after JailbreakMe 3.0 or even if you jailbroke your iPhone 4 using either PwnageTool (Mac OS X) or Sn0wbreeze (Windows) due to the fact that your iOS device is running on unsupported / unlockable baseband. You should note that unlocking iPhone depends on what baseband you have and not on what kind of jailbreak tool you’ve used to jailbreak your iPhone. People who have unlockable baseband on their iPhone are advised to jailbreak their iOS device using either PwnageTool or Sn0wbreeze to preserve the baseband of their iPhone from getting upgrade so that they can unlock it with Ultrasn0w.

But, of course, there’s always alternative. If you really want to unlock, then you can do it with the help of a special SIM case called Gevey SIM / Gevey Pro. Unlocking iPhone 4 using Gevey SIM is as easy as dialing 112 for 2 seconds from your iPhone. Just simply pop the Gevey SIM interposer together with your preferred SIM card (micro SIM or cutted SIM) into your phone and follow the onscreen instruction. You are unlock in a minute or two. You can follow this tutorial on how to unlock iPhone 4 on iOS 4.3.3 using Gevey Pro. But before you unlock, you should hacktivate your device first to make sure that all features of the iOS work smoothly on the unlock iPhone. You could easily hacktivate your iPhone 4 through jailbreaking it using Redsn0w 0.9.6 rc16 (since JailbreakMe 3.0 is quite buggy) and then activate it using SAM.
Unlock iPhone 4 Using Gevey Sim

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