Unless you have a developer account with Apple, don't bother plugging your iPhone into iTunes -- we promise you're not going to have access to it -- but devs can now get their grubby paws on beta 2 of iPhone OS 3.1. We'll let you know if we see anything crazy, like usable Gmail, true background applications, or a notification UI that doesn't make you want to throw the phone against a very hard surface at high velocity.Filed under: Cellphones, HandheldsiPhone OS 3.1 b