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  • Home >> Apple >> How to Jailbreak iOS 4.2.1 on iPad using Greenpois0n Windows Version

    How to Jailbreak iOS 4.2.1 on iPad using Greenpois0n Windows Version

    You can now jailbreak iOS 4.2.1 on your iPad using Greenpois0n for Windows. Download it and keep it aside, you will be using it this in one fo the below steps.

    You will then be able to install Cydia and use third party applications on your iPad apart from the App Store games and applications approved by Apple.

    Click here to Jailbreak iOS 4.2.1 on iPad using Greenpois0n on Mac OS X

    How to Jailbreak iOS 4.2.1 on iPad using Greenpois0n Windows Version

    Step by Step Guide to Jailbreak iOS 4.2.1 on iPad

    1. Visit www.greenpois0n.com and download Greenpois0n tool for Windows.
    2. Once download is completed, extract the the zip file using winzip or winrar
    3. Now run Greenpois0n
    4. This will upgrade the iPad to iOS 4.2.1
    5. Now connect the iPad device to your computer via USB.
    6. Switch off the iPad by holding the power button and sliding the on screen slide to power off button.
    7. Follow the onscreen steps, be patient as the process may take sometime.
    8. You should see the Jailbreak button. Click on it.
    9. It will enter in DFU mode and then the jailbreak process will start
    10. When jailbreak is completed, Click on Complete button
    11. Once done, the iPad should restart automatically
    12. If all the above steps have been properly followed, then your iPad should show a new Loader icon on your homescreen when it restarts
    13. Tap on the loader to launch it and install Cydia on iPad
    14. Follow the installation instructions to install Cydia
    15. After installation, remove the Loader.app to remove Cydia

    By this time, you should have a successfully Jailbroken iPad running on iOS 4.2.1

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    1. Nihar
      You have written 2 posts: one for Win and another for Mac

      I think it would have been better if u might have combined both posts into a single post

      Just, the steps are same so I dont think, 2 posts are required.


    2. jessi says:

      is there any risk of baseband upgrade?applications will work after this?i had jailbreak on my previous ipone 3 but many apps dont work on it….

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