Top Smartphone Operating systems & their market shares..

World is contracting with the huge growth of mobile phone technology. As the number of users is increasing day by day, facilities are also increasing. Starting with simple handsets which were used just for making phone calls and text mesaging purpose. Mobiles have changed our lives and have become part of it. Now they are not used just for making calls but they have innumerable uses and can be used as a Camera , Music player, Tablet PC, T.V. , Web browser And leading with advanced level of third party applications & enhancing with new technologies.. These phone is termed as smartphones..
For enable this advanced level of functions,Mobile phone require high end operating systems like IOS,Android,Symbian & Windows..
Here, i am discussing about these mobile operating systems & their Market share among the World..

Android is a Linux-based operating system for mobile devices such as smartphones and tablet computers. It is developed by the Open Handset Alliance led by Google.Android has a large community of developers writing applications ("apps") that extend the functionality of the devices. Developers write primarily in a customized version of Java.

The open and customizable nature of the Android operating system allows it to be used on most electronics, including but not limited to: smartphones, fixed phones, laptops, netbooks, smartbooks,[84][85] tablet computers, E-book readers, TVs (Google TV), wristwatches,headphones, Car CD and DVD players,digital cameras,Portable media players and other devices.
Most Android phones require a Google account to operate. If you have a Google account you impute your username and password and the phone synchs virtually with your Google account, downloading messages, settings, contacts, calendars, and anything else you’re signed up for with Google. If you don’t already have a Google account the phone will usually take you through the sign-up process.
The interesting difference to note here is that Android does not require a computer to synch with. Unlike the iPhone, you don’t have to plug the Android into your computer to get information onto it. The information is transferred by accessing your Google account. This makes the system much more portable, in the same way that Gmail is more portable than an email system like Window’s Outlook Express.
And vice-versa! The phone syncs its details with your Google account so that if you lose your phone all your details (such as contacts and SMS etc) are stored online and can be easily downloaded to your replacement phone.
Android OS can run several programs at the same time. This means that you can have multiple applications open at once – such as your Facebook, email account, game, and SMS tool.
'Google play store' allows users to download third party applications for their needs..


Apple's iPhone OS was originally developed for use on its iPhone devices. Now, the mobile operating system is referred to as iOS and is supported on a number of Apple devices including the iPhone, iPad, iPad 2 and iPod Touch. The iOS mobile operating system is available only on Apple's own manufactured devices as the company does not license the OS for third-party hardware. Apple iOS is derived from Apple's Mac OS X operating system.
'Apps store' allows users to download third party applications for their needs..


Symbian OS is an operating system for mobile phones primarily used on Nokia advanced or data enabled smart phones. Symbian OS runs exclusively on ARM processors and has evolved from Psion's EPOC which was developed as a rudimentary operating system for early electronic organizers. The Psion EPOC OS was refered to EPOC16 beginning in the late 1990's to help distinguish it from the newer 32bit Operating system EPOC32, which eventually became Symbian OS. Psion software created a joint venture with several mobile hardware manufacturers, Ericsson®, Motorola®, and Nokia® called Symbian and eventually took on the name Symbian Software, renaming EPOC32 Symbian OS.
For years the world’s most shipped OS, sunk to a new nadir last quarter. The 62.9% drop registered was its sharpest year-over-year drop ever. The decline of Symbian, precipitated by Nokia’s decision to make Windows Phone its primary smartphone OS, has accelerated due to lower sales in key economically developing geographies such as China as well as Central & Eastern Europe and the Middle East and Africa.
OVI store allows users to download third party applications for their needs..


Windows Mobile is an operating system that was developed by Microsoft. This OS is used in smartphones and other mobile devices. Windows Phone  are more popular OS now.
Originally operating as the Pocket PC 2000 OS, most of the devices running this OS come with a stylus for tapping out commands on the screen of the device.

Windows Mobile narrowed the gap between itself and BlackBerry last quarter in its bid to become the number 3 mobile OS in terms of market share. The share gains it made last quarter are due mostly to Nokia, which almost doubled its Lumia/Windows Phone shipments sequentially. Though it’s closing in on the third spot, Windows Phone is still a distant competitor to Android and iOS. Microsoft will need to generate additional momentum from Windows Phone 8 devices, which will be introduced this fall, if it is to narrow the share gap further between itself and the three mobile OS leaders.


The BlackBerry OS is a proprietary mobile operating system developed by Research In Motion for use on the company’s popular BlackBerry handheld devices. The BlackBerry platform is popular with corporate users as it offers synchronization with Microsoft Exchange, Lotus Domino, Novell GroupWise email and other business software, when used with the BlackBerry Enterprise Server.

Worldwide Smartphone Operating System 2012 market share:
Smartphone OS
2012 Market Share
Windows Phone 7/Windows Mobile
BlackBerry OS


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