Here's What's New In iPhone OS 4.0 Beta 4Rosa Golijan5/18/10 9:16pmFiled to: iPhoneIphone os 4 beta 4BetaDeveloperdeviphone os 4AppleApple iPhone256EditPromoteShare to KinjaToggle Conversation toolsGo to permalinkOh yes! iPhone OS 4.0 Beta 4 is out and we're tearing it apart to find out what's new so that you don't have to risk your iPhones. Here's what we've discovered so far. Updated.ShareTweet Kinja is in read-only mode. We are working to restore service.