How to Jailbreak Your iPhone 3GS, iPhone 4, iPad and iPod Touch Using GreenPois0n RC5 iOS 4.2.1 Untethered Jailbreak

Hey guys, as promised here is a detailed GreenPois0n RC5 iOS 4.2.1 Untethered Jailbreak Tutorial on how to Jailbreak iOS 4.1 iPhone 4, 3GS, iPod Touch 3G and 4G and of course the iPad with this tool.
First thing you need to do is Update your iPhone and / or iPod Touch to iOS 4.2.1. Remember: Do not update to iOS 4.2.1 if you need the unlock. Ultrasn0w does not support that baseband yet. The only exception is the iPhone 4. You can update to iOS 4.2.1 without upgrading your baseband by following this tutorial. (VERIZON iPhone 4 Users Disregard This message… This note is for GSM iPhones ONLY / AT&T)
These are instructions on how to jailbreak your iPhone 3GS, iPhone 4, iPad and iPod Touch 3G (3rd Generation) and 4G (4th Generation) using GreenPois0n RC5 iOS 4.2.1 Untethered Jailbreak for Windows. Greenpois0n supports the iOS 4.1 and iOS 4.2.1 firmware. for iPhone 4, iPad, iPod Touch 3G and 4G iOS 4.2.1 which you can find here. in our Firmware Download Section. (NOTE: Please make sure you download the right file/firmware for the right device) Read more…


