I totally bricked my iphone for a couple of days last time I tried to upgrade my OS.I didn't realize that upgrading the OS requires access to Apple during the installation process. I only have wireless Internet that is tethered from my iPhone. So last time I tried to upgrade, I downloaded the OS, then proceeded to run the installation, which shuts down my iPhone in order to install files. After that though, it requires some sort of verification from apple.com and because my iPhone is already shut down, i have no Internet access. NOW what can i do. Can i verify from another pc which has internet and itunes installed. or i need to reinstall ios6.1 on internet connected pc. Or any other method. Like .ipsw from computer.