iPhone is a Smartphone designed and marketed by Apple company. The first generation of iPhone was unveiled on January 9, 2007 by Apple president Health-related reasons, although official sales going on June 29, 2007. The 1st generation of iPhone was 2G but later it upgraded to 3G through the 2nd and onward versions. All the versions are powered by the iOS, a specialized mobile Operating-system made exclusively for iPhone by Apple.
iPhone carries a 3.5 inch scratch-proof capacitive touch screen. Tastes user inputs are done with this touchscreen display and hardware inputs are restricted by only 4 buttons. They have proximity sensor to identify the product position plus 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 as well as other accessories but it doesn’t allow users to share Multimedia files over Bluetooth. For much better music experience iPhone has a standard 3.5 mm audio jack connector.
In accordance with official specifications, first generation of iPhone battery was able to support 250 hours standby, 8 hours of talk time and Twenty four hours music playing even though the new edition of iPhone, iphone4 offers 300 hours standby, Twenty four hours music, 12 hours 2G and 5 hours 3G talk-time.
First two versions of iPhone have a very 2 MP fixed focus camera. 3GS includes a 3.2 MP camera and iPhone 4 includes a 5 MP videos enabled camera. The digital camera on iphone4 posseses an LED flash, High ISO sensitivity and HD quality video recording capabilities.
iPhone will not support external storage card. It features huge internal storage, they have many variant starting from 4GB to 32GB storage.
To provide the perfect flexibility, iPhone interface and software are engineered to the iPhone OS. iPhone offers a large amount of bundled software like digital compass feature, Map, Calculator, Browser, Mail client, Organizer and others. What’s more, it supports Alternative party software. It’s got direct integration with Apple stores and multimedia sharing and social network sites.
Being a phone iPhone has each of the basic features like business call, caller holding, caller identification as well as other network services. thay man hinh iphone o dau uy tin 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 Iphone is a revolutionary phone in cell phone industry. It has made a drastic alternation in interface and cellphone user performance all around the mobile world.
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