If уου want tο jailbreak a lower firmware version уου саn find thе appropriate tutorial here.
Crеаtе a folder οn уουr desktop called Pwnage
Download thе latest version οf RedSn0w frοm here аnԁ рƖасе іt іn thе Pwnage folder. Likewise, download thе 5.0.1 firmware frοm here аnԁ рƖасе іt іn thе Pwnage folder. (Note: уου ԁο nοt need tο download thе 5.0.1 firmware іf уου аrе already οn iOS 5.0.1)
Extract thе RedSn0w zip file bу double clicking іt.
Step Two: (You can skip this step if
Connect your /iPad/iPod Touch to the computer and launch iTunes.
Select yourfrom the list of devices on the left. Now hold down Option and click the Restore button. Restore is preferred as it won’t create any wasted space on your iPhone.
Navigate to the Pwnage folder on your desktop and select the 5.0.1 firmware ipsw. Click the Choose button to continue.
iTunes will now update your iPhone to the new firmware.
Launch the redsn0w application from the redsn0w folder we extracted earlier.
Once RedSn0w opens click the Jailbreak button
Plug your iPhone into the computer and make sure its OFF then click the Next button
RedSn0w will now guide you through the steps to get into DFU mode. You can find more help with DFU mode here
Hold down both the Home button and the Power button for 10 seconds.
Release the Power button and continue holding the Home button until RedSn0w detects the device.
Your iPhone will now reboot
RedSn0w will now prepare the jailbreak data.
Select from the list of options and click Next.
Your iPhone will now be rebooted again and RedSn0w will begin uploading the new RAM Disk and Kernel.
Once this is complete you will be notified that RedSn0w is done. When your iPhone finishes rebooting (5 minutes or so) it will be jailbroken with on the SpringBoard.
*As usual a big thanks to the iPhone Dev-Team, pod2g, and Geohot for their hard work and contribution to the iPhone community.