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Friday, May 20, 2011

How to Jailbreak iPhone 3GS/4, iPod Touch 3G/4G, iPad with greenpois0n on iOS 4.2.1

This guide will help you to jailbreak your iDevice using the new unthethered greenpois0n software by the Chronic Dev Team. It works on iPhone 3GS, iPod Touch 3G, iPad, iPhone 4, iPod Touch 4G with iOS 4.2.1. This guide is for Windows users.

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The first step is to download http://cache.greenpois0n.com/dl/gp_win_rc5_b2.zip

Ensure your device is plugged in to the computer and ispowered OFF. Launch GreenPois0n.exe. When the screen appears simply press "Prepare to Jailbreak (DFU)". A set of instructions will appear on the screen. Simply follow the instructions to put your device in DFU mode. NOTE: The sleep button is the power button, the home button is the button on the bottom of the device.

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Once the device is in DFU mode, you should hear the usual sounds when that you would hear when you plug in the iDevice, however the screen will remain black. The greenpois0n app will let you know if anything went wrong. Once your ready to go, simply press "Jailbreak"

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The iDevice will begin to show code running on your screen, and evenautally you will see the Apple boot logo, morphing into the Chronic Dev Team's logo. The entire process will take a couple minutes, during which the greenpois0n app will simply say "Jailbreaking"

This image has been resized. Click this bar to view the full image. The original image is sized 523x285.
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Wait for the device to power on, and enjoy your newly jailbroken device.

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