Step 1: Download Greenpois0n using our Jailbreak Programs Tool
Step 2: Connect your device to PC and put it in DFU mode
Step 3: If your device is in DFU mode, push the Jailbreak button. Greenpos0n will do his own think and when asked, push the quit button to reset your device
Step 4: After the reset, you will find the green icon in springboard. Connect your device to wifi and install cydia.
Your device is now jailbroken!