iOS 4.2 is almost upon us (it's due this very month) and YouTuber lewisisepic has posted a handy video up of what we can expect.

Obviously, there's multitasking on board and email improvements courtesy of an integrated, universal inbox with conversation threading, but there's also a couple of little things that you may not have been necessarily expecting, such as the lock switch becoming a silencer and a brightness adjuster being added to the left-swipe menu.

iOS 4.2 is due out in November and you can read all about it in our brilliant feature iOS 4.2 for iPad: What's new, detailed and explained.

You may also want to check out Apple iPad iOS 4.2: Extra enhancements revealed.