Summarizing how the apple iphone functions

The iPhone is an internet-connected multimedia smartphone designed and marketed by Apple Inc. with a flush multi-touch screen and a minimal hardware interface. Lacking a physical keyboard, a virtual keyboard is rendered on the touch screen. The iPhone's functions include those of a camera phone and portable media player (equivalent to the iPod) in addition to text messaging and visual voicemail. It also offers Internet services including e-mail, web browsing, and local Wi-Fi connectivity. The first generation phone hardware was quad-band GSM with EDGE; the second generation also adds UMTS with HSDPA.It has 2.0 megapixel digital camera and 4.8 ouncesIMAP and POP email support with integrated Yahoo! e-mail client.