iPhone is a Smartphone designed and marketed by Apple company. The very first generation of iPhone was unveiled on January 9, 2007 by Apple president Health-related reasons, although official sales began on June 29, 2007. The first generation of iPhone was 2G but later it upgraded to 3G in the 2nd and onward versions. All the versions are run by the iOS, a specialized mobile Main system made just for iPhone by Apple.
iPhone has a 3.5 inch scratch-proof capacitive touch screen. thay man hinh iphone chinh hang of user inputs are carried out with that touchscreen display and hardware inputs are restricted by just 4 buttons. They have proximity sensor to identify the phone position as well as an accelerometer to detect phone rotation. First generation of iPhone lacks the GPS feature although later A-GPS is added into iPhone.
iPhone provides Bluetooth 2.x+EDR connectivity for wireless headphone as well as other accessories nonetheless it does not allow users to talk about Multimedia files over Bluetooth. For much better music experience iPhone has a standard 3.5 mm audio jack connector.
As outlined by official specifications, first generation of iPhone battery was capable of supporting 250 hours standby, 8 hours of talk time and 24 hours music playing while the latest version of iPhone, apple iphone 4g offers 300 hours standby, A day music, 12 hours 2G and 5 hours 3G talk-time.
First two versions of iPhone possess a 2 MP fixed focus camera. 3GS features a 3.2 MP camera and iPhone 4 includes a 5 MP videos enabled camera. You on apple iphone 4 comes with a LED flash, High ISO sensitivity and HD quality videos capabilities.
iPhone will not support external storage card. It features very large internal storage, it has many variant starting from 4GB to 32GB storage.
To deliver the ideal flexibility, iPhone interface and software have been developed specifically for that iPhone OS. iPhone offers a large amount of bundled software like digital compass, Map, Calculator, Internet browser, Mail client, Organizer and more. It also supports Alternative party software. They have direct integration with Apple stores and multimedia sharing and social networking sites.
As a phone iPhone has each of the basic features like business call, caller holding, caller identification as well as other network services. First generation of iPhone only supports 2G but later version carries a faster data transfer speed. iPhone 3G has UMTS and HSDPA 3.6 mbps connectivity but iphone 4 supports HSDPA 7.2 mbps connectivity.
The I phone can be a revolutionary phone in mobile phone industry. It’s made a drastic difference in gui and mobile phone user performance throughout the mobile world.
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