As we reported earlier, Apple has seeded iPhone OS 3.1 Beta 3 to developers. Not much has changed since the last build (Beta 2) which was released on 15th July 09. Some of the minor changes in iPhone OS 3.1 Beta 3 include:
[Video Credit: WhenWillApple.com]
This version is meant for development and testing purposes only and should be installed on devices dedicated to iPhone OS 3.1 software development.