Apple Iphone & Iphone 4S

Apple iPhone:  
                        It is a line of smartphones designed and marketed by Apple Inc. The first iPhone was unveiled by Steve Jobs, then CEO of Apple, on January 9, 2007, and released on June 29, 2007. 

                  Next The 5th generation iPhone, the iPhone 4S, was announced on October 4, 2011, and released 10 days later.
                 

                   In IPhone function as a video camera ,a portable media player, and an Internet client with email and web browsing capabilities, can send texts and receive visual voicemail, and has both Wi-Fi and cellular data (2G and 3G) connectivity. The user interface is built around the device's multi-touch screen, including a virtual keyboard rather than a physical one.

Apple Iphone 4S is the first phone to intelligently switch between two antennas to transmit and receive, so call quality is better. It also doubles the maximum HSDPA data speeds to 14.4 Mbps,means faster connections, faster loading and reloading, and faster downloads.Two cores in the A5 chip deliver up to two times more power and up to seven times faster graphics,8 MP, 3264x2448 pixels, autofocus, LED flash.Touch focus, geo-tagging, face detection,Voice command/dial,LED-backlit IPS TFT, capacitive touchscreen, 16M colors,HSDPA, 14.4 Mbps; HSUPA, 5.8 Mbps,Wi-Fi 802.11 b/g/n, Wi-Fi hotspot.