HOW TO Untethered Jailbreak iOS 4.2.1 On iPad Using Greenpois0n RC5

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by casey on February 4, 2011

Chronic Dev Team has released a new version of Greenpois0n jailbreak tool. Greenpois0n RC5 tool allows you to do an untethered iOS 4.2.1 jailbreak running on iPhone 4/3G/3GS, iPad, Apple TV 2G, iPod Touch 3G/4G. Follow the HOW TO GUIDE below to use Greenpois0n RC5 on iOS 4.2.1 running iPAD.

STEP BY STEP HOW TO GUIDE TO USE GREENPOISON RC5 TO DO AN UNTETHERED iOS 4.2.1 JAILBREAK On iPad

STEP 1:Download Greenpois0n RC5_2

STEP 2:Save the downloaded file on your desktop and unzip it.

STEP 3:Open the folder that you have unzipped and launch Greenpois0n by clicking on it

STEP 4:Connect your iPad to the computer. switch off the power and click on the big Jailbreak button.

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STEP 5:Greenpois0n tool will show you how to put your iPad device into the DFU Mode.

STEP 6:You will be asked to press and hold the sleep button for 3 seconds.

greenpois0nMacJailbreakios4 iOS 4.2.1

STEP 7:Keep on holding the sleep button and press and hold the home button for 10 seconds.

greenpois0nMacJailbreakios4-iPod Touch 3G

STEP 8 :Now let go the sleep button but keep holding home button for almost 15 seconds.

greenpois0nMacJailbreakios4 jailbreak tool mac

STEP 9:Let the jailbreak process begin as your device is in the DFU mode.

greenpois0nMacJailbreakios4-5

STEP 10:The rest of the process will be done by the Greenpois0n tool. After its finished click on the Complete button.

greenpois0nMacJailbreakios4 iPod touch 4g

STEP 11:After your iPad restarts, a new Loader on the Springboard will appear with the name “Greenposi0n”. Click on the to launch it.

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STEP 9:Select Cydia and click on the Install Cydia button and let the Cydia to be installed.

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STEP 10:It will prompt you whether you want to remove the Loader app from your device. Click on the remove button go to home. It will now make your device to restart itself.

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CONGRATULATIONS!! You have successfully jailbroken your iPad running iOS 4.2.1 on MAC OS X.

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  • Antz

    everything works till step 11. nLoader icon was present, but upon launching the app, the cydia store was not present. any idea why?

  • Ottid

    hi. it doesn’t do anything. it only hang and says unable to find fs_mount, fs_umount fs_load_file and just sits at Greenpois0n initialized…… HELP!!

  • Anonymous

    Those who are getting errors or any kind of other problem download the RC5_2. This is a new version which fixes many bugs. Download it from the link belownn http://veryrite.com/2011/02/04/download-greenpois0n-rc5_2-jailbreak-iphone-ipad-ipod-touch/

  • Rfarmedilla

    when greenpoison finishes, and ipad is ready, i dont see the loader icon even after rebooting/restarting it. please help :(

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