Just two weeks after the last revision went up, Apple's released iPhone OS 3.0 beta 4 to the developer community alongside an iTunes 8.2 pre-release. No word yet on what has / hasn't been updated, but we do know the new iTunes is required to activate beta 4. More information as we get it.[Thanks to everyone who sent this in!]iPhone OS 3.0 beta 4, iTunes 8.2 pre-release now live originally appeared on Engadget on Tue, 28 Apr 2009 22:01:00 EST. Please see our