Apple has just release the latest version of iOS 4.2 Beta 3 for iPhone, iPad and iPod Touch. This beta version is for developers only and you’re advised to stay away from this beta version until the stable release come out which scheduled to release in November this year.
Already Beta version 1 and 2 out there and lots of changes and bug fixes takes place in Beta version 3. Till yet there is no information on what changes or new features being added in the updated software.
This Beta version is for developers only and if you have enrolled yourself in the iPhone Developer Standard, then by verifying your credentials you can download this version.