Popsugar Culture Tech Tips iOS 9 Tips 18 Hidden iOS 9 Features That Will Change Your Life February 16, 2016 by Ann-Marie Alcántara View On One Page Photo 15 of 20 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 15 Use "Hey Siri" Now Unplugged If you're hands are occupied, you can now set up the "Hey Siri" function and use Siri hands-free, without being connected to a power source. Previous Next Start Slideshow