iPhone is a smartphone designed and marketed by Apple Inc. The first generation of iPhone was introduced on January 9, 2007 by Apple's President Steve Jobs, but official sales began on June 29, 2007. The first generation of iPhone was 2G, but later, it updated 3G from 2nd and forth releases. All versions are powered by iOS, a specialized mobile operating system exclusively made for the iPhone by Apple.
iPhone has 3.5 inch scratch-proof capacitive touch screen. The majority of user input is made with this touch screen and the hardware input is limited with only 4 buttons. It has a proximity detector to detect the status of the phone and speedometer to detect the rotation of the phone. The first generation of iPhone lacks the GPS feature, although later, the A-GPS is added to the iPhone.
iPhone provides Bluetooth 2.x + EDR port for wireless headsets and other accessories, but does not allow users to share multimedia files across Bluetooth. For a better music experience, the iPhone has a standard 3.5mm stereo interface.
According to official specifications, the first generation of iPhone battery was capable of supporting 250 hours of standby, 8 hours of talk and 24 hours of music while the latest iPhone version, iPhone 4 offers 300 hours of standby, 24 hours of music, 12 Hours 2G and 5 hours 3G talk time.
The first two versions of the iPhone have a 2 MP camera. 3GS has 3.2 MP camera and iPhone 4 has 5 MP video recording enabled camera. The iPhone 4 camera has LED flash, high quality ISO sensitivity and HD camcorder.
iPhone does not support external storage cards. It has a very large internal storage, it has many variations ranging from 4GB to 32GB of storage.
To provide the best possible flexibility, iPhone interface and software are specifically designed for iPhone OS. IPhone provides a lot of bundled software like digital compass, card, calculator, web browser, mail client, organizer and much more. It also supports third-party software. It has a direct integration with Apple stores and multimedia sharing and social networking sites.
As iPhone's iPhone has all major features like conference call, call hold, caller and other online service. The first generation of iPhone supports only 2G but the later version includes a faster data transfer rate. The iPhone 3G has UMTS and HSDPA 3.6 Mbps connectivity, while the iPhone 3GS supports HSDPA 7.2 Mbps connection.
Apple iPhone is a revolutionary phone in mobile phone technology. It has made a radical change in user interface and user interface across the globe.
Source by Neo Max