Hi guys I wanted to ask a quick question. NOTICE:I have no clue if this goes against the rules of iPTF if it does Mods please delete it. ok well I downloaded the 2.2.1 firmware for my iPhone on a website, but it turns out they put all the firmware files in a zip file. like it was the firmware but instead of being .ipsw it was a .zip file so what i did i just changed the extension to .ipsw do you think it will work. I need to upgrade fast for my reasons and im too lazy to go find a good copy of it.