There's no official date as yet, but due to a slip from Apple, we now know that Apple iOS 4.1 will be here from 8th September.That slip was what we presume to be an accidental publication of the date on the Apple UK site. According to Mac World, the date was briefly listed, then taken down, but not before several people had both seen and screengrabbed it. Available to iPhone 4 owners, as well as 3GS owners who have previously updated to the new software and iPod touch purchasers, the new updated operating system adds some new features without being a radical overhaul. After all, the OS is only a couple of months old.Those new features include Game Center, Apple's new social gaming system for playing iPhone-based games against other people, the much-hyped Ping social network for music and the option upload HD video from your handset. Just two days to go and it will all be on your phone.