Abstract :
Abstract - Mobile phones are used by every people in
today’s life. We use mobile phones without knowing the
different factors that a mobile used including its technology,
operating system, CPU ,RAM etc. Many types of operating
system are used by different mobile. Every operating system
has their advantage & disadvantage. Some of the operating
system include many advanced features like multitasking,
live wallpaper, messaging, internet browsing etc. This paper
discuss the features of various mobile OS start from their
emergence and a small history of mobile phones which show
how mobile phones are introduced from scrap.
