This Blog is abolutely Free. We offer tons of information. You can just look at the Blog Archive or click on the "Overview of Services" in the Site Map section on the right hand side of the page. The iPhone and iTouch Firmware Unlock provides you with: Firmware Updates. You will Need to use the Firmware Updates below if you are downgrading or upgrading your iPhone or iTouch Manually. At the iTunes screen where you see update and restore; press and hold shift, and click on the restore button, then pick the file you downloaded below from the folder you placed it in. For other information, please read frequently asked questions, or reffer to the legend on the side of the page.