Apple iPhone 6S 16 GB Sprint, Rose Gold Comes with Easy to use iOS with refinements at every level from the apps you see on your Home screen down to the foundation of the system iPhone 6s is powered by the custom-designed 64-bit A9 chip.- delivers 70% more CPU performance Keep everything you love about iPhone up to date, secure, and accessible from any device with iCloud. The 12-megapixel iSight camera captures sharp, detailed photos. It takes 4K video, up to four times the resolution of 1080p HD video. With just a single press, 3D Touch lets you do more than ever before.