Just a few days ago I finally had the time to update my iPhone 3GS to 3.1.2 firmware via PwnageTool 3.1.4. Why didnt I just click Update within iTunes? Well, thats because I want my modem firmware to remain fully unlockable. By restoring with a custom 3.1.2 firmware via PwnageTool, I can still unlock my iPhonewhich is extremely important should I consider moving to Telus/Bell in the ...