Apple iPhone 6s smartphone was launched in September 2015. The phone comes with a 4.70-inch touchscreen display with a resolution of 750×1334 pixels at a pixel density of 326 pixels per inch (ppi) and an aspect ratio of 16:9. Apple iPhone 6s is powered by a 1.84GHz dual-core A9 processor. It comes with 2GB of RAM. The Apple iPhone 6s runs iOS 9 and is powered by a 1,715mAh non-removable battery. As far as the cameras are concerned, the Apple iPhone 6s on the rear packs a 12-megapixel camera with an f/2.2 aperture and a pixel size of 1.22-micron. The rear camera setup has phase detection autofocus. It sports a 5-megapixel camera on the front for v selfies, with an f/2.2 aperture.