Apple iPhone 4 is the fourth-generation of iphone and comes with a new slimmer design and front-facing camera capable of video calling. apple also updated the display with a high-resolution screen that measures 960 x 640 pixels. It also features a 5 megapixel camera with an LED flash and HD video recording. The front facing camera uses an application called facetime to make video calls over wifi. Contact E-mail: basicelectronicsltd1@yahoo.com