Downgrading iPhone 3.0 firmware 7A341 back to 2.2.1..

If you’re like me and you fart about with things when you shouldn’t, then you may have upgraded your iPhone to the illicit Beta release of the 3.0 firmware.  The one I installed was the ‘Gold Master’ version (7A341), and it worked like a charm.  However, it occurred to me that iTunes might get the [...]