iPhone is often a Smartphone designed and marketed by Apple company. The very first generation of iPhone was unveiled on January 9, 2007 by Apple president Medical, although official sales began on June 29, 2007. The first generation of iPhone was 2G but later it upgraded to 3G through the 2nd and onward versions. All of the versions are run by the iOS, a specialized mobile Os made only for iPhone by Apple.
iPhone includes a 3.5 ” scratch-proof capacitive touch screen. Tastes user inputs are done with this touchscreen technology and hardware inputs are restricted by just 4 buttons. It has proximity sensor to detect the telephone position as well as an accelerometer to identify 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 and other accessories nevertheless it doesn’t allow users to share with you Multimedia files over Bluetooth. For much better music experience iPhone carries a standard 3.5 mm audio jack connector.
According to official specifications, first generation of iPhone battery was capable of supporting 250 hours standby, 8 hours of talk-time and Twenty four hours music playing whilst the latest version of iPhone, apple iphone 4g offers 300 hours standby, 24 hours music, 12 hours 2G and 5 hours 3G talk time.
First 2 versions of iPhone have a 2 MP fixed focus camera. 3GS carries a 3.2 MP camera and apple iphone 4g features a 5 MP video recording enabled camera. thay man hinh iphone bao nhieu tien on apple iphone 4 has an LED flash, High ISO sensitivity and HD quality videos capabilities.
iPhone does not support external storage card. It features large internal storage, it has many variant starting from 4GB to 32GB storage.
To provide the best possible flexibility, iPhone interface and software are engineered for the iPhone OS. iPhone comes with a large amount of bundled software like digital compass, Map, Calculator, Web browser, Mail client, Organizer and more. It also supports Third party software. It has direct integration with Apple stores and multimedia sharing and social networks.
As a phone iPhone has all of the basic features like conference call, caller holding, caller id as well as other network services. First generation of iPhone only supports 2G but later version incorporates a faster data transfer speed. iPhone 3G has UMTS and HSDPA 3.6 mbps connectivity but iPhone 3GS supports HSDPA 7.2 mbps connectivity.
The Iphone can be a revolutionary phone in cell phone industry. It’s designed a drastic change in gui and cellular phone user performance all over the mobile world.
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