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How to use iOS 9's fancy back button

A single home button has long pulled double duty when it comes to multitasking on your iOS device.

ios9backbutton.jpg

Jason Cipriani/CNET

Since its inception, iOS devices have used a single home button navigating between apps. Click once to get back to the home screen, double-click to multitask. Case in point: Say you were in the Messages app and a Facebook notification required your attention. Tapping on the notification would result in the Facebook app launching, and nothing more.

If you wanted to get back to Messages, you'd need to press the Home button twice to bring up the multitasking interface, the tap on the Messages card.

With iOS 9, however, that process has been streamlined with a new back button of sorts.

ios9back.jpg

Tapping on the link atop the screenshot would, in this case, take you back to Twitterrific.

Screenshot by Jason Cipriani/CNET