iOS Update Fails to Silence Battery Complaints
Apple on Thursday pushed out iOS 5.0.1, an iPhone operating system update designed to address problems some iPhone 4S users had reported regarding the device's quickly draining battery. However, the update apparently did not solve the battery-drain issues for everyone, according to many posts on the company's own support forum.
http://www.macnewsworld.com/rsstory/73744.html