Few weeks have passed since we had some new information about the development of the untethered jailbreak solutions for iOS 5.1, but recently Pod2G published some new details for us. It seems that Pod2G and his team have all the exploits needed to develop the new jailbreak solutions. Now he is working on removing the security measures implemented by Apple in iOS 5.1.
Although a few weeks ago we were informed that no less than three possible solutions for an untethered jailbreak for iOS 5.1 is in work, but so far no one has officially released one that would allow us to perform a safe jailbreak. Dev Team and chpwn / PhoenixDev hold exploits that could be converted to untethered jailbreak solutions and also i0n1c seems to have… read more
Free Tethered Jailbreak iPhone 4 running iOS 5.1 Using Redsn0w. Unfortunately iPhone 4S Not Compatible (Windows, Mac)
Dev Team just released redsn0w 0.9.10 beta 6, a new version of the free jailbreak tool that helps us to perform a tethered jailbreak on iPhone 4 running iOS 5.1. Unfortunately iPhone 4s is not included in the list of Apple devices compatible with this jailbreak tool but the rest devices that can run iOS 5.1 can be jailbroken using the latest version of redsn0w.