Just when you thought a smartphone couldn?t get any better, it just did. The iPhone 4S is sure to change the way you communicate. The Siri technology lets you to talk to your smartphone as you would talk to a person, turning your phone into a personal assistant. The powerful dual-core A5 chip ensures a lightening- fast performance and life-like graphics. Shoot 1080p HD videos and click crystal clear snaps with the 8 -megapixel camera.