Last day the Limera1n tool was released by Geohot which could be used to jailbreak iPhone 4 4.1 firmware and we wrote on it. Now the long waited GreenPois0n jailbreak tool have been released and you could jailbreak iPhone 4 4.1 iOS using it. Here is how to jailbreak iPhone 4 iOS 4.1 using GreenPois0n tool.
1. Download GreenPois0n from here.
2. Connect your iPhone 4 with the computer.
3. Launch GreenPois0n.
4. Click on the ” Prepare to Jailbreak (DFU) ” button.
5. Now follow the instructions given by GreenPois0n to proceed.
That’s it! You’ll have a jailbroken iPhone 4 on iOS 4.1 when the process is finished.