Apple said:This update contains bug fixes and improvements including the following:
* Resolves sporadic issues that may cause iPhone not to wake from sleep
* Resolves intermittent issue that may interrupt cellular network services until restart
* Fixes bug that could cause occasional crash during video streaming
* Resolves intermittent issue that may interrupt cellular network services until restart
Will this stop me randomly getting 'No Service' for no reason whatsoever until I turn the phone off and on again?

didnt even know u could put it into sleep, how do u do that?
didnt even know u could put it into sleep, how do u do that?