iPhone 5 Update Tinkers with Wi-Fi, Drains Battery
GottaBeMobile

Some iPhone 5 owners are complaining of battery problems after updating to iOS 6.0.2. The software update, which was released on Tuesday, was intended to address previous Wi-Fi bugs for the iPhone and iPad mini. But a number of iPhone 5 users converged at the Apple Support Forum to report substantial battery drain, as well as new Wi-Fi connectivity issues following the update. There was no mention of battery problems with the iPad mini.

What Else You Need To Know

  • Apple sold three million units of its first smartphone with 4G LTE support and 4-inch screen in the first three days.
  • Apple has been hit with software issues lately, with the Apple Maps app pre-installed in iOS 6 containing inaccuracies, glitches and mislabeled locations.

Other sources

Battery life has always been a huge complaint for iPhone users, but users are claiming substantial battery drain after this update. - Kevin Smith, Business Insider  
GottaBeMobile
iOS 6.0.2 Drains Battery Faster For Some iPhone 5 Users
BGR
iPhone 5, iPad mini users report iOS 6.0.2 is a big drain on battery life
Apple Insider
Some users report iPhone 5 battery life issues with iOS 6.0.2  

All of the users who commented or e-mailed say they are experiencing the battery drain issues with their iPhone 5.

Other
Apple's Latest Update Fixes One Problem With Your iPhone, But Causes Another (AAPL)
CoolSmartPhone
iPhone 5 users reporting battery issues on iOS 6.0.2