Download iOS 5.0.1 firmware build 9A406 for iPhone 4S. Apple has pulled a new build of iOS 5.0.1 specially for iPhone 4S, and iOS 4.4.4 for Apple TV 2G with Build 9A406a to fix some bugs and does not contains any new features.
Stability and performance: Apple TV software version 4.4.4 includes general performance and stability improvements, including a fix for an issue that displayed an error when playing some video contentSo what is new on the tweaked iOS 5.0.1 for iPhone 4S ? There is no major update, it looks the same as the previous iOS 5.0.1 version. Some of experts are speculating that iOS 5.0.1 has been tweaked to add minor changes needed for the next international launches.