If you like your software fresh and up to date, then it's time to pay a visit to your friendly neighborhood Settings > General > Software Update on your iOS device. iOS 7.0.4 has arrived bearing gifts.While most of the update seems to concern unenumerated bug fixes and performance improvements, the one change Apple does call out is a fix for FaceTime calls that would fail for some users. And, of course, there's the usual assortment of security patches that you'll want.Users of the fourth-generation iPod touch will instead find iOS 6.1.5, which fixes the same FaceTime issue as 7.0.4.Both updates are, as always, free, and available from either the Software Update pane or via iTunes.
