iPhone is a Smartphone designed and marketed by Apple company. 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 very first generation of iPhone was 2G but later it upgraded to 3G in the 2nd and onward versions. Every one of the versions are operated by the iOS, a specialized mobile Operating System made exclusively for iPhone by Apple.
iPhone has a 3.5 inch scratch-proof capacitive touch screen. Most of user inputs are done with this touchscreen and hardware inputs are limited by only 4 buttons. It’s proximity sensor to identify the device position and 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 however it doesn’t allow users to share Multimedia files over Bluetooth. For much 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 24 hours music playing whilst the new edition of iPhone, iPhone 4 offers 300 hours standby, Twenty four hours music, 12 hours 2G and 5 hours 3G talk time.
Initial two versions of iPhone possess a 2 MP fixed focus camera. 3GS features a 3.2 MP camera and iPhone 4 has a 5 MP videos enabled camera. The digital camera on iPhone 4 comes with a LED flash, High ISO sensitivity and HD quality video recording capabilities.
iPhone won’t support external storage card. It features large internal storage, it’s many variant starting from 4GB to 32GB storage.
To provide the absolute best flexibility, iPhone interface and software were created for your iPhone OS. iPhone supplies a lot of bundled software like digital compass, Map, Calculator, Visitor, Mail client, Organizer and others. It also supports Vacation software. They have direct integration with Apple stores and multimedia sharing and social network sites.
As being a phone iPhone has each of the basic features like conference call, caller holding, caller id and also other network services. thay man hinh iphone o dau 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 is often a revolutionary phone in cellphone industry. It’s got developed a drastic alternation in user interface and mobile phone user performance all around the mobile world.
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