How to Jailbreak iOS 6.1 Beta 2 Using Redsn0w 0.9.15b3

For those of you who have a developer account, or otherwise managed to get your device updated to iOS 6.1, the good news is that it still has all the same jailbreak-ability as the previous versions (mostly tethered, A4 devices). Read on to find out how to jailbreak your device. Tethered - iPhone 4 - iPhone 3GS new