Finally!, Apple has launched an update for its iOS version to 5.1 which is available for download via OTA (180 MB), iTunes and through direct links provided at the end of the post. The new version comes with a nice list of features which includes both improvements and bug fixes.
Among the features of the iOS version 5.1 it includes Siri support for Japanese users, a new camera app for iPad and where as the bug fixes goes, well yes the bugs affecting battery of your iPhone 4S has been reportedly fixed!.
Following is the list of all new features and bug fixes :-
This new iOS version supports the iPhone (3GS, 4, 4S), iPad (1, 2,3) and iPod Touch (3G, 4G). Also if you’re concerned regarding jailbreak than this version update will indeed revoke your jailbreak privileges. You can download this version directly from your phone through OTA or you can download it via iTunes.
You can also download it from the links given below: