iPhone is a Smartphone designed and marketed by Apple Inc. The initial generation of iPhone was unveiled on January 9, 2007 by Apple president Steve Jobs, 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. Each of the versions are run by the iOS, a specialized mobile Operating System made mainly for iPhone by Apple.
iPhone carries a 3.5 inch scratch-proof capacitive touchscreen display. Most of user inputs are executed with that touchscreen and hardware inputs are limited by just 4 buttons. They have proximity sensor to detect the phone 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 also other accessories but it will not allow users to talk about Multimedia files over Bluetooth. For better music experience iPhone features a standard 3.5 mm audio jack connector.
According to official specifications, first generation of iPhone battery was able to support 250 hours standby, 8 hours of talk-time and A day music playing even though the new edition of iPhone, apple iphone 4g offers 300 hours standby, One day music, 12 hours 2G and 5 hours 3G talk time.
First couple of versions of iPhone have a 2 MP fixed focus camera. 3GS has a 3.2 MP camera and apple iphone 4g features a 5 MP video recording enabled camera. Your camera on apple iphone 4 posseses an LED flash, High ISO sensitivity and HD quality videos capabilities.
iPhone will not support external storage card. It features huge internal storage, it’s got many variant ranging from 4GB to 32GB storage.
To deliver the perfect flexibility, iPhone interface and software have been developed specifically to the iPhone OS. iPhone gives a great deal of bundled software like digital compass feature, Map, Calculator, Internet browser, Mail client, Organizer and more. It also supports 3rd party software. It’s direct integration with Apple stores and multimedia sharing and social media sites.
As thay man hinh iphone uy tin has all of the basic features like business call, caller holding, caller id and other network services. First generation of iPhone only supports 2G but later version incorporates a faster data transfer useage speed. iPhone 3G has UMTS and HSDPA 3.6 mbps connectivity but iPhone 3GS supports HSDPA 7.2 mbps connectivity.
The I phone is a revolutionary phone in mobile phone industry. It has made a drastic change in interface and cellphone user performance everywhere in the mobile world.
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