iOS 4: iPhone iOS 4.0 is Now Available‎ for Download - IOS 4.0 is now available.Iphone and IPAD can now enjoy the new IOS 4.0.It is available to all iPhone users, either 3G or 3G variants, the new version of the IOS operating system.

IOS 4 comes loaded with new features as Steve Jobs announced at the last Apple developer conference a few weeks ago.

One of the most important news of the new IOS 4, is called multitasking. Multitasking allows us to have several applications open at once. A menu allows you to choose what we want to close down and move from one to another easily. Multitasking is only available to iPhone 3G, and will also incorporated in the new iPhone 4.

To update our iPhone to the IOS version 4, we can do it comfortably from iTunes 9. Connecting the terminal to our computer we will quickly detect that a new version of the operating system available.

We may automatically download and install or just download it for installation later. Remember that this update also affects the iPod Touch. We strongly recommend that you perform a backup device to update before carrying out any installation process.