The newly released Greenpois0n RC5 for Windows can help you to do an untethered iOS 4.2.1 jailbreak on iOS 4.2.1. The tool is compatible with the iPhone 4, iPhone 3GS, iPod touch 4G, iPod touch3G and iPad. We are here to show you a HOW TO GUIDE to do a safe untethered iOS 4.2.1 iTouch jailbreak using GP on Windows OS.
STEP BY STEP HOW TO GUIDE TO JAILBREAK iOS 4.2.1 On iPOD TOUCH 3G AND iPOD TOUCH 4G USING GREENPOISON ON WINDOWS OS
STEP 2: Extract or Unzip the downloaded file gp_win_rc5_b2.zip.
STEP 3: Launch the Greenpois0n.exe app by clicking it.
STEP 4: You MUST Switch Off your iPod Touch 3G or 4G device before you connect it to your PC.
STEP 5: Click in the big button which says “‘Prepare to Jailbreak (DFU)”
STEP 6: It will prompt you instructions to put your iPod Touch into DFU mode. It will prompt you to press and keep on holding the Sleep for 2 seconds.
Keep on holding the Sleep and press and hold the home for almost 10 seconds.
Now Release the Sleep Button and keep on holding the Home for almost 15 seconds.
STEP 7: Now your device is in the DFU mode. Click on the big Jailbreak Button.
STEP 8: Greenpois0n tool will do the rest of the jailbreak process.
STEP 9: Click on the Quit once the process is completed.
STEP 10: Your iPod Touch device will now restart. A Loader will now appear on your Springboard after the Restart. Click to launch the Loader.
STEP 11: Select Cydia and press the big Install Cydia button.
STEP 12: It will now Install Cydia. After that it will prompt you if you want to remove the Loader from your iPod Touch device. Click on the Remove button and then press Home. Your iPod Touch will now Restart.
Congratulations! You have successfully jailbroken iOS 4.2.1 running on iPod Touch 3G/ 4G using Greenpois0n for Windows OS.
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