Apple iPhone 4 users are facing issues with proximity senor of the iPhone. This problem is really frustration among the iPhone Users as there iPhone get stuck or hanged during calling or while taking with their friends. Apple iOS 4.1, which is in the testing stage introduced by Apple phones to fix up the proximity sensor problem is unfortunately not able to fix up the problem.
Moreover, it seems that Apple iPhone users have to wait for a long time to get rid of proximity sensor problem as it is not updated with iOS 4.1. Therefore, it is pretty sure that soon Apple Company will going to launch new release of iOS, in order to fix up the issue.
Apple iOS 4.1 comes with additional new features that enhance the camera working and also introduce features for Game Center too. One has to wait for the upcoming update for iOS from Apple, which will fix up the problem. Until then, enjoy the turns on and off of the Apple screen and also accidental dialing.