This document provides an overview of different mobile operating systems. It discusses Symbian, Android, BlackBerry OS, Windows Mobile, MeeGo and iOS. For each OS, it describes the company behind it, versions released, and some key features. It also includes a section on market share of different mobile operating systems.

1. Computer 6th sem

2. DIFFERENT MOBILE OPERATING SYSTEM

3. CONTENTS
 What is mobile
 Mobile operating system
 List of mobile OS
 Symbian
 Android
 BlackBerry OS (RIM)
 Windows Mobile
 MeeGo
 iOS

4. WHAT IS MOBILE ?
oA mobile phone is an electronic device used to make
mobile telephone calls across a wide geographic area.
oIn addition to being a telephone, modern mobile
phones also support many additional services such
as SMS, e-mail, Internet access, gaming, Bluetooth
and infrared, camera, MMS messaging, MP3 player,
radio and GPS
oFirst mobile phone was made in 1946 and had a
weight of 40 kg.

5. MOBILE OPERATING SYSTEM
According to Wikipedia
 A Mobile operating system, also known as a Mobile OS,
a Mobile platform, or a Handheld operating system, is
the operating system that controls a mobile device—
similar in principle to an operating system such as Linux
or Windows that controls a desktop computer or laptop.

6. LIST OF MOBILE OS
 Symbian
 Android
 iOS
 RIM BlackBerry OS
 Windows 7.5
 Bada
 MeeGo (Tizen)

7. MARKET SHARE

8.  Symbian is an open source operating system and
software platform designed for smartphones.
 The Symbian platform was created by merging and
integrating software assets contributed by Nokia, NTT
DoCoMo, Sony Ericsson and Symbian Ltd.

9. VERSIONS OF SYMBIAN OS
 Series 60 3rd edition Feature Pack 2
 Symbian^1 (Series 60 5th edition)
 Symbian^2
 Symbian^3/Symbian^4
 Symbian Anna
 Symbian Belle

10.  Android is a software platform and operating system for
mobile devices, based on the Linux kernel, developed by
Google
 Android, Inc. was founded in Palo Alto, California, United
States in October, 2003

11. VERSION HISTORY
 2.0/2.1 (Eclair)
 2.2 (Froyo)
 2.3 (Gingerbread)
 3.0 (Honeycomb)
 4.0 (Ice Cream Sandwich)

12.  Windows Phone 7.5 is a major software update for
Windows Phone, the mobile operating system by
Microsoft.
 It was launched on September 27, 2011.

13. FEATURES OF WINDOWS
 Built-in voice-to-text/text-to-voice functionality,
which will allow for hands-free texting or chatting.
 Skydrive and Office 365 documents sync (PDF also
supported).

14.  MeeGo is a Linux-based open source mobile
operating system project.
 It was first announced at Mobile World Congress in
February 2010 by Intel and Nokia.

15. FIRST MEEGO PHONE

16.  In September 2011 it was announced by Intel and the
Linux Foundation that MeeGo will be totally replaced by
Tizen during 2012.
 Tizen will be a new free and open source Linux-based
operating-system which itself will be released in the first
quarter of 2012.