Updated to iOS4 and need to jailbreak your 3GS? First Redsn0w, and now PwnageTool give you the power. Here’s a simple how-to guide to get you started. The caveat: this isn’t an official release, so there may be some bugs that could damage your phone or delete some data. So proceed with caution! [Redmond Pie]
https://gizmodo.com/redsn0w-jailbreak-tool-will-free-your-iphone-3g-even-if-5611656
