iPhone firmware, blackra1n is released
blackra1n is a utility that jailbreaks version 3.1.2 of the iPhone OS. It achieves this by patching the firmware of the device "on the fly" - meaning it edits the firmware located on the device whilst in DFU (recovery) mode. It allows users to install either Cydia, Icy (Cancelled in RC3), Rock, or all three. [...]