Greenpois0n can be used to jailbreak your iOS device on a Mac or PC, this tutorial will explain how to jailbreak your iPad iOS 4.2.1 using Windows. Click here to view the Mac tutorial.

Before you get started you should plug your iPad into the computer and sync your iPad ( If your iPad is already Jailbroken, restore it in iTunes before using Greenpois0n). Then, quit iTunes and turn off your iPad.

  1. Download Greenpois0n for Windows here http://www.greenpois0n.com.
    1x1.trans How to Jailbreak iPad iOS 4.2.1 on Windows
  2. Save the file to your desktop, then right click on it and extract the file to your desktop.
    1x1.trans How to Jailbreak iPad iOS 4.2.1 on Windows
  3. 1x1.trans How to Jailbreak iPad iOS 4.2.1 on WindowsDouble click on greenpois0n.exe and run the application.

  4. Click “Prepare To Jailbreak” and follow the instructions to put your iPad in DFU mode.1x1.trans How to Jailbreak iPad iOS 4.2.1 on Windows
  5. After your iPad is in DFU mode, click “Jailbreak”.
    1x1.trans How to Jailbreak iPad iOS 4.2.1 on Windows

  6. You should see some text scrolling on your iPad. After the iPad restarts, you will have a loader icon on your iPad.

    1x1.trans How to Jailbreak iPad iOS 4.2.1 on Windows

  7. Tap on the loader icon then select and install Cydia.

    1x1.trans How to Jailbreak iPad iOS 4.2.1 on Windows

  8. Once Cydia has installed, you can remove the loader app. You should now have a untethered jailbroken iPad.

    1x1.trans How to Jailbreak iPad iOS 4.2.1 on Windows
    You can sync your iPad to reinstall your iPad content.

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4 Responses to How to Jailbreak iPad iOS 4.2.1 on Windows

  1. MikeH says:

    I can’t seem to get SBsettings

  2. Al3ajeeb says:

    Ive done it and it worked :) Thanks guys

  3. Brock Horne says:

    28 2010 …………When iOS 4.2 for iPad is released in November jailbreakers wont need to wait before they can have their way with their iPads..iOS jailbreak expert released some images today of a jailbroken iPad running the iOS 4.2 firmware. The image above shows an iPad running the MobileTerminal jailbreak application that gives users access to the command line..This is great news for those that like to jailbreak their devices but it comes as little surprise to many who have expected the jailbreak release for several weeks since ..If youll be jailbreaking your iPad as soon as youve updated to the iOS 4.2 firmware let us know what your reasons for jailbreaking are in the comments.. via ……….

  4. Hesham Sharara says:

    I followed the steps for jailbreaking my IPad as I have windows XP 2002 and the IOS of my IPad is 4.2.1. At step no. 3, I tried many times to follow the instructions but I got the message “try again”. Can I get any advice of what further action I can take?

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