You can now untethered jailbreak iOS 5 GM on iPhone 4s thanks to the tweet made from i0n1c who has confirmed on his Twitter account that iOS 5 untethered jailbreak is covered successfully so al the hackers and the iphone users who has been waiting for the final release of iOS 5 to perform their jailbreaks and this time the untethered jailbreak on iOS 5 GM on iPhone 4s,iPhone 4,ipad 2 and all the supported iDevices so you can now get ready to get updated version of the Sn0wbreeze, Redsn0w and PwnageTool to get the iOS 5 untethered jailbreak on your iPhone 4S, iphone 4, iPhone 3GS, iPod touch 4G, 3iPod touch G, iPad 2 and ipad 1 as Dev Team and other jailbreak teams has been waiting for the exploit.

How to untethered jailbrek iOS 5 GM ? The solution is given here which has been listed below Here
Jailbreak tutorial using Redsn0w on iOS 5 GM HERE
Jailbreak Tutorial using Sn0wbreeze on iOS 5 GM HERE.
Download iOS 5 GM HERE
http://www.techuelx.com/iphone-dev-team-released-updated-redsn0w-0-9-9-b4-to-jailbreak-ios-5-gm-in-iphone-4s.html

