Important Notes: For those of you willing to part with their device`s untethered jailbreak status, this post is for you. And for those who want to keep their jailbreak status or waiting to unlock their device, we can`t stress this enough, but DON`T upgrade to iOS 5.1 since it brings a new baseband which will take several months to find an unlock solution for. If you own iPhone 4 or older and have already installed iOS 5.1, here`s how you can tether jailbreak it on RedSnow 0.9.10b6