Mobile operating system iOS 5.0.1 has been released. Head to iTunes and click Update to install the update if the Update alert didn't pop up automatically on your Apple product. The update is available to user models;
iPhone 3GS, iPhone 4, iPhone 4S
iPad, IPad 2
iPod, iPod touch 3rd and 4th generation)
iOS 5.0.1 has been designed to improve user experience and also rectify bugs in iOS 5.0.0 ie:
Fixes bugs that affected battery life, Cloud functions (Documents)
Improved voice recognition for Australian users and Multitasking gestures for original iPad owners.
iOS 5 Software Update