Download the appropriate version of Greenpois0n for your computer. Windows and Mac versions are available. Right-click the file after it has downloaded and select "Extract Here" to extract the jailbreaking app to your computer.
2Connect the iPad to your computer using its USB cable. If iTunes launches and automatically begins to sync your iPad, wait until it has finished before proceeding.
3Click the "Jailbreak" button in the Greenpois0n application on your computer. A series of instructions is displayed, directing you to put your iPad into recovery mode. Pay attention to the on-screen prompts as you proceed.
4Press and hold the "Sleep/Wake" button on top of the iPad for three seconds.
5Press and hold the "Home" button while continuing to hold the "Sleep/Wake" button.
6Release the "Sleep/Wake" button after 10 seconds, but continue to hold the "Home" button for an additional 15 seconds. The iPad reboots and a list of text is displayed on the screen as the jailbreaking process initiates.
7Click the "Complete" button when it appears in the Greenpois0n application on your desktop. The iPad will reboot once more to complete the jailbreaking process. You can now disconnect the iPad from its USB cable.
8Tap the Loader icon that has appeared on the iPad's Home screen after it has rebooted.
9Tap the "Cydia" button in Loader, followed by the "Install Cydia" button. Cydia is downloaded and installed on your jailbroken iPad.
10Tap the "Reboot" button when prompted by the Loader app to complete the Cydia installation process. Once the iPad has rebooted, Cydia is installed and ready for use.
Tips & WarningsRun the Loader app again once Cydia has been successfully installed and tap the "Remove Loader" button. This removes the Loader app from the iPad's Home screen, as it is no longer required.
Greenpois0n provides visual prompts to help with the button presses when putting the iPad into recovery mode.
If Cydia fails to install from the Loader application, wait a few minutes and try again. Cydia is downloaded from its online servers, which are sometimes overloaded and do not immediately respond.
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ReferencesOSX Daily: Jailbreak iPad iOS 4.2.1 with GreenPois0n RC5Greenpois0n: How To Use Greenpois0n – The Quick GuideResourcesGreenpois0n: DownloadsRead Next: Print this articleCommentsFollow eHowFollowView the Original article
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