IPhone

Iphone Modal:

History and availability

Development of what was to become the iPhone began in 2004, when Apple started to gather a team of 1000 employees to work on the highly confidential "Project Purple including  the designer behind the iPhone.Apple CEO  steered the original focus away from a tablet, like the, and towards a phone. Apple created the device during a secretive collaboration with —Cingular Wireless at the time—at an estimated development cost of US$150 million over thirty months.

Apple rejecte approach that had yielded the a largely unsuccessful collaboration with . Instead, Cingular gave Apple the liberty to develop the iPhone's hardware and software in-house and even paid Apple a fraction of its monthly service revenue (until the iPhone 3G), in exchange for four years of exclusive US sales, until 2011.

Jobs unveiled the iPhone to the public on January 9, 2007, at the 2007 convention at the  in San Francisco. The two initial models, a 4 GB model priced at US$499 and an 8 GB model at US$599 (both requiring a 2 year contract), went on sale in the United States on June 29, 2007, at 6:00 pm local time, while hundreds of customers lined up outside the stores nationwide. The passionate reaction to the launch of the iPhone resulted in sections of the media dubbing it the 'Jesus phone'. Following this successful release in the US, the first generation iPhone was made available in the UK, France, and Germany in November 2007, and Ireland and Austria in the spring of 2008.

over US$100,000.

The back of the original first generation iPhone was made of aluminum with a black plastic accent. The iPhone 3G and 3GS feature a full plastic back to increase the strength of the signal. The iPhone 3G was available in an 8 GB black model, or a black or white option for the 16 GB model. The iPhone 3GS was available in both colors, regardless of storage capacity.

The iPhone 4 has an  glass front and back with a  that serves as the. It was at first available in black; the white version was announced, but not released until April 2011, 10 months later.

The iPhone has gained positive reviews from such critics as  The iPhone attracts users of all ages,and besides consumer use, the iPhone has also been adopted for

Users of the iPhone 4 reported dropped/disconnected telephone calls when holding their phones in a certain way. This became known as 

On January 11, 2011, announced during a media event that it had reached an agreement with Apple and would begin selling a  Verizon said it would be available for pre-order on February 3, with a release set for February 10. In February 2011, the Verizon iPhone accounted for 4.5% of all iPhone in the US on Millennial Media's mobile ad network.