How to restore or update your iPod/iPhone:
After downloading the desired firmware below, you can shift-click (PC) or option-click (Mac) the Restore or Update buttons in iTunes. A file dialog will open and let you choose the downloaded ipsw-file.
If you don't know what iPod or specific iPod generation you got, click here.
By clicking Download, you will be redirected to an Apple Inc. server. The list of available firmwares is automatically updated and always the most recent version.
