iPhone is a Smartphone designed and marketed by Apple Inc. The very first 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 powered by the iOS, a specialized mobile Operating-system made just for iPhone by Apple.
iPhone features a 3.5 inch scratch-proof capacitive touch screen. Most of user inputs are executed with that touchscreen and hardware inputs are limited by just 4 buttons. It’s got 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 and also other accessories nevertheless it does not allow users to share with you Multimedia files over Bluetooth. For better music experience iPhone carries a standard 3.5 mm audio jack connector.
Based on 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 while 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 possess 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. The digital camera on iphone4 comes with a LED flash, High ISO sensitivity and HD quality videos capabilities.
iPhone won’t support external storage card. It features substantial internal storage, it’s got many variant starting from 4GB to 32GB storage.
To provide the best possible flexibility, iPhone interface and software are specially designed to the iPhone OS. iPhone comes with a lot of bundled software like digital compass, Map, Calculator, Browser, Mail client, Organizer and more. Additionally, it supports Alternative party software. It’s got direct integration with Apple stores and multimedia sharing and social media sites.
As a phone iPhone has all of the basic features like conference call, caller holding, caller id as well as other network services. noi thay man hinh iphone of iPhone only supports 2G but later version carries a faster data 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 designed a drastic alteration of interface and cellphone user performance everywhere in the mobile world.
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