There are reports that iOS 6.0.2 is draining battery life much faster than usual. We downloaded iOS 6.0.2 yesterday, but haven’t noticed a significant difference in our iPhone 5.
The update was pushed out yesterday, and fixed a wifi bug in the iPhone 5 and iPad mini (the only two iOS device the firmware was compatible with.
According to a report by Ars Technica, some users are reporting the decreased battery life. However, many are not. In fact, they have a little poll going, and according to their results, the majority of users are not seeing a noticeable difference.