IPhone line of quad multimedia smartphone developed by the corporation Apple . Smartphones combine the functionality of the player iPod , smartphone and Internet Tablet .The operating system of Apple IOS , which is a simplified and optimized to operate on a mobile device version of Mac OS X .
For the first time iPhone has been announced by Steve Jobs at the conference MacWorld Expo January 9 2007 . In sale the 29 June 2007 and quickly gained a substantial market share of smartphones in the U.S. .
10 June 2008 at the conference WWDC 2008 was a new model - iPhone 3G, more perfect and devoid of many hardware and software deficiencies predecessor, the new version of iPhone OS 2.0 , at a lower price with a contract operator in the United States.
8 June 2009 was provided, the third model phone - iPhone 3GS, which is an improved version of the iPhone 3G. iPhone 3GS has twice as much RAM , increased performance, is available in a configuration with 32 GB of internal memory and is equipped with running iPhone OS 3.0 , resolution of the significant weaknesses of the program the previous models of smartphones, and provide additional functions: copy-paste , the ability to send MMS , Spotlight , Speak Notes, the ability to download TV shows, music videos, movies and audio books direct to the iPhone, Find My iPhone, forward / delete SMS and many others.
7 June 2010 was presented to the iPhone 4 with an updated operating system (iPhone OS on the same day received a new name - «Apple iOS»), having a number of significant advantages over the predecessor, including a more powerful CPU Apple A4 , LCD with IPS matrix with a resolution of 640 × 960 pixels, 5 megapixel camera and a camera for video (0.3 megapixel).
4 October 2011 was submitted to iPhone 4S with the operating system iOS 5, an updated phone has borrowed a processor Apple A5 on the iPad 2 , 8 megapixel camera and has a hybrid communication system GSM / CDMA.
Total as of March 2010 has sold nearly 50 million iPhone.
In 2008 iPhone took second place in the ranking of the most useful modern technology according to the publication PCWorld.
Main functions of iphones are:
: Phone
: Calls and Voice Mail
: SMS and MMS
: Bluetooth
: Ringtones
: Display
:Music, photo and video
:Internet
: GPS
: Glonass
