Samsung's new flagship smartphone isn't having the smoothest of beginnings. The strange ROM that cropped up a few days ago turned out to be an isolated incident, but now the forums are abuzz with an audio issue that looks a lot more serious. Essentially, the handset's volume control appears to have a mind of its own, flitting randomly between mute, full blast and everything in between. The problem has so far only been observed on European phones using the GSM 900MHz band, and it's exacerbated by