Apple has finally released iOS 4 and they now made iOS 4 available for download ready for the iPhone 3GS, 3G and newer generation iPod Touch devices. To download and has update, all you need is connect your iPhone to your computer with which you sync iTunes data and then click on the iPhone and check for update. Update running now, but hey!wait a minute, before you download and install it is make sure and recommended that you have a backup ready

A number of new features have been added to the iPhone including specific kinds of multitasking, external keyboard support, a unified Mail inbox, and folders for organizing apps, among many other smaller changes; iBooks 1.1 is also now available as a separate free download from the App Store, it’s available for download and allows you to sync up with the iPad version so you can share books and bookmarks easily. An iPhone 3GS or third-generation iPod touch is required for multitasking and using external keyboards.

The folders update allows you to install a total of 2160 apps on your iPhone and organize the icons in to folders and the unified in box allows you to add multiple Exchange accounts and merge them in to one feed to check emails. Threaded emails also can be used on the device.

A lot of other features have been added in iOS 4, so it’s worth grabbing now unless you need your iPhone unlocked.

Tags : iBooks 1.1, iOS 4, iPhone 3GS, Ipod, iTunes