Finally Dev Team released Pwnage tool for iPhone 3GS Firmware 3.1.2, if you upgrade your iPhone 3GS 3.0, 3.1 to 3.1.2 stock firmware your baseband also upgrades from Modem FW 04.26.08 to 5.11.04, Now the problem is you can’t unlock baseband 5.11.04 with any utility out in the wild. Thanks to Dev team, PwnageTool program let’s you update your main firmware without touching your baseband firmware, so you can still have the best of both worlds. Here we have a simple to follow guide which shows you how to upgrade ...