A new iphone software version 5.0.1 is now available for iphone which include bug fixes of battery life .
we can update it over the air which is right on your iPhone ,ipadtouch or even you can plug into iTunes and do it the old fashioned way
iOS 5.0.1 contains improvements and other bug fixes including :
• Fixes bugs affecting battery life.
• Adds Multitasking Gestures for original iPad.
• Resolves bugs with Documentation in the cloud.
• Improves Voice recognation for Australian users dictation.