Jailbreak iOS 5 Tethered Using Redsn0w
To Jailbreak iOS 5 using Redsn0w is simple you just need a supported device running iOS 5 and redsn0w , Both links to iOS 5 will be a the bottom of this article.
Download Redsn0w
Mac VersionWindows Version
Jailbreak
lanuch redsn0w
Select Jailbreak
Connect your iOS Device Enter DFU mode by holding down the Sleep/Power button and home button together for exactly 10 seconds, then release the Power button but continue to hold the Home button for another 15 seconds. You will get a notification from Redsn0w informing you of the device being in DFU mode
Point redsn0w to your iOS 5 IPSW file (older version)
Redsn0w Will Now perform the jailbreak and in the latest version you don't need to point it to the iOS 5 IPSW file as in older versions Of redsn0w. If there are any issues with this just go to Extras and Select IPSW.
Choose “Install Cydia” and proceed with the jailbreak
Boot Tethered
Now you will need to boot tethered to get Cydia to load, To do this either Go back if you still have Redsn0w open or Open redsn0w and click on extras. Then boot tethered and follow the instructions on screen. You will need to boot tethered to load cydia everytime you restart your device or your battery dies, etc.
iOS 5 Download Links