How to Jailbreak an iPhone 2G/3G/3Gs on 3.0/3.01 firmware
In this how to video, you will learn how to jail break your iPhone or iPod Touch to 3.0.1 firmware. First, you will need to download the firmware and Redsn0w. Install and open Redsn0w. From here, click browse and open your firmware. Next, click unlock and press next. Next, find your boot loaders if you have a 2G. If not, ignore this part and click next. Next, plug in your device into the computer. Turn it off and then click next. Hold your power button for 3 seconds, hold down the home button for 10 seconds while holding the power button, and then release the power button but keep the home button pressed for 30 seconds. Once this is done, allow your program to finish. Your device will reboot. Make sure to not unplug the device until it is done flashing on the device screen. You have completed changing the firmware on your device.