Redsn0w is a great tool. Even before final version of iOS 6.1 was released, this tool had been able to Jailbreak Tethered in iOS 6.1 Beta version in iDevice A4. If you have upgraded your iPhone 3Gs, 4, iPod 4G to final version of iOS 6.1, you can do Tethered Jailbreaking using Redsn0w; at least it can reduce your Jailbreak addiction while waiting for Jailbreak Evad3rs to be released.
To download iPSW iOS 6.1 file, please follow this link: iOS 6.1 is Breaking iOS 6.O History Record
When iOS 6.1 UnTethered Jailbreak is released,...