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Steps to Jailbreak iOS 4.2.1 GM on iPhone 4, 3GS, 3G and iPod touch with Redsn0w 0.9.6b2

Now you can jailbreak iOS 4.2.1 GM on your iPhone 4,iPhone 3G,iPhone 3GS,iPod touch 2G,iPod touch 3G and iPod touch 4G with Redsnow 0.9.6b2.Just follow the simple steps than enjoy Jailbreak with Redsnow 0.9.6b2…….

Apple has released iOS 4.2.1 Golden Master version for iPhone, iPad and iPod Touch for developers. iOS 4.2 is expected to be released very soon for the public. With the new version, the very first question that comes in many people’s mind is, can we jailbreak it ??? Yes! You can also jailbreak iOS 4.2.1 Golden Master version using Redsn0w 0.9.6b2. The tool makes use of the Geohot’s Limera1n exploit. The same exploit is also used by greenpois0n jailbreak tool.Point to be noted is that Cydia is currently broken on iOS 4.2.x and it will not work if you try to run it. Cydia for iOS 4.2.x will be ready once iOS 4.2.1 is released for public. But you can use SSH to install apps on your jailbroken device with Redsn0w 0.9.6b2.

Steps To Jailbreak :

Step 1:

Step 2:

  • Update to iOS 4.2.1 firmware version using IPSW file that you have downloaded via iTunes.

Step 3:

  • Run the Redsn0w 0.9.6b2
  • Point it to iOS 4.1 (Remember point it to Final Version that is iOS 4.1, NOT iOS 4.2.1) and continue the process.

redsn0wb211

Step 4:

  • Redsn0w will now prepare the jailbreak process and will show you the following screen.

redsn0w-Jailbreak

Step 5:

  • Check “Install Cydia” and click “Next”.
  • You can also check “enable battery percentage” option to enhance performance.

redsn0w-Jailbreak

Step 6:

  • Make sure your device is both OFF and PLUGGED IN before you click “Next”.

redsn0w-Jailbreak

Step 7:

  • A prompt will appear to allow you to put your device in DFU mode.
  • First hold “Power” and “Home” button for some seconds, then release the “Power” button while holding the ‘Home” button until you see a process start for installation.

Step 8:

  • Wait for the installation be completed.
  • Your device will restart automatically after this.

redsn0w-Jailbreak

Congratulations!! You have successfully jailbroken you iDevice.

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