How to Update your iPhone and iPod Touch firmware 3.0
In this Electronics video tutorial you will learn how to update your iPhone and iPod Touch firmware 3.0. You will need iTunes 8.2 and the firmware from Deposit Files. Go to the website and download the firmware. This will take some time. Use Firefox browser for the download. Now make sure your device is clean, i.e., it is not jailbroken and connect it to the computer. Then open up iTunes on the device for this hold down 'power' and 'home' until the device switches off and then powers on. Once the apple comes on, release the power button and keep holding the 'home' until the iTunes icon is displayed. Open the firmware on your computer , if you want to back up your data, select the option and click OK. After this is done, the device will restart and you have successfully updated your device.