Apple has released the new iPhone OS Firmware 3.1.2 for the original iPhone (Edge), iPhone 3G, iPhone 3GS and iPod touch via an iTunes update. To update to iPhone OS Firmware 3.1.2, all you will have to do is to connect your phone with your computer via usb and start iTunes. You should now see a new message a prompting you to download and install the new firmware. Simply click on “Download and Install” button to get on to the new iPhone OS 3.1.2 firmware.
