IPhone3GS Apple Inc releases iPhone3Gs on june 2009 after 1 year release of the iPhone3G. iPhone3GS is the new improved iPhone3G. IPhone3GS is much faster with a speed processor of 600MHz and 256 RAM. It has improve rear camera with 3.2megapixel auto focus and video recording. The internal memory is even bigger with 16gb/32gb and better battery life. The display feature of iPhone3GS 3.5inches witg a resolution of 320x480 pixels