Geohot has launched his BlackSn0w jailbreak for the iPhone 3G and 3GS.
“Blacksn0w is the release for the most recent 05.eleven.07 baseband, and also will allow authentic tethering. blackra1n, a jailbreak for three.1.2, has been up to date to RC3, with hacktivation make stronger, 15 2d velocity development, Tiger+PPC improve, an
d set up of the most recent blackra1n.app.”
You will discover directions on methods to use blacksn0w to release your iPhone right here: Windows.
If you have already jailbroken using blackra1n, run the application again. You will see Icy replaced by an option “ra1n”. Install this to upgrade your blackra1n application. Run the blackra1n application again. This time you will see “sn0w”. Install sn0w to unlock your device.