【转】Jailbreak iPhone 4 iOS 4.0.1 / 4 with JailbreakMe 2.0

JailbreakMe 2.0?is the new?iPhone 4 jailbreak?for iOS 4.0.1, 4.0 firmware. In this guide you’ll learn how to?jailbreak iPhone 4 iOS 4.0.1 / 4?with?JailbreakMe?2.0 jailbreak. Comex is the guy behind JailbreakMe 2.0 jailbreak for all iPhones, iPod Touches iOS 4.0.1 / 4.0 / 3.1.3 / 3.1.2 and iPad running iOS 3.2.1 / 3.2.

NOTE

• JailbreakMe 2.0 can?jailbreak iPhone 4?on iOS 4.0.1 and 4.0.
• Your iPhone 4 MUST be activated. (How to:?activate iPhone 4 without Origional SIM)

  Warning:?Some of the users are facing FaceTime/MMS issues. The developer is working on it. (hearing a few reports of people rebooting a few times and it fixing facetime issues, perhaps this is something that will resolve itself)?FaceTime and MMS issue has been addressed?For those who have already jailbroken iPhone 4 before the fix, follow the Fix linked Below.

  JailbreakMe 2.0 is a userland (Web-based) jailbreak for all iDevices running firmware 3.1.2 up to 4.0.1. Lets?jailbreak iPhone 4 4.0.1 / 4 firmware?with?JailbreakMe.

  Disclaimer:?This guide for educational purposes only. So, try it at your own risk. We can NOT be held responsible if anything goes wrong.

  How to Jailbreak iPhone 4 iOS 4.0.1 / 4 with JailbreakMe

  Step 1

  • Download?and install the latest?iTunes 9.2.1.
  • Backup all your personal stuff
  • Restore the official firmware (Download iOS 4.0.1?|?Download iOS 4.0)

    Step 2

    • Make sure your iPhone is connected to the internet.
    • Open the Safari Browser from your iPhone 4 Springboard.
    • Input one of the following URLs:
      • http://jailbreakme.com
      • http://jailbreakme.modmyi.com/

        

        Step 3

        Now Slide to Jailbreak iPhone 4 on iOS 4.0.1 or 4.0 firmware.

        

        • First it will download the jailbreak data
        • then the jailbreak process will begin

          

          Once the process is complete, the following popup message will appear:

          

          Hit the OK button and close Safari.

          Voila! You’ve successfully?jailbreak iPhone 4 with JailbreakMe?userland jailbreak?by Comex. Don’t forget to share your experience in the comments section below.

          How To Unlock IPhone

          UltraSn0w 1.0-1, the iPhone 4 unlock?will be out soon after the testing on a few jailbroken iPhone 4 is complete?is out now. iPhone 4, iPhone 3GS and 3G users can always use UltraSn0w:

          How to:?Unlock iPhone 4?with?UltraSn0w 1.0-1

          How to:?unlock iPhone 3GS, 3G with UltraSn0w

          Issues / Fixes

          FaceTime / MMS Issue:?How to Fix

          Stuck at the purple screen:

          • Go to: Settings > Safari and clear Browser History, Cookies and Cache.
          • Then Reboot your iDevice.

            Hanging on slide to unlock:

            • Put it in airplane mode then turn it off.

              Misc.

              • Reset Network Settings: Settings > General > Reset > Reset Network Settings

                Also checkout:

                • How to:?Jailbreak iPhone 3GS, 3G?with?JailbreakMe
                • How to:?Jailbreak iPod Touch 3G, 2G?with?JailbreakMe
                • How to:?Jailbreak iPad iOS 3.2.1?with?JailbreakMe