Comparative Study of different mobile OS With the use of mobile, mobile technology is also developing day by day. The mobile phone has made our life easier. We can perform different tasks of our daily life on mobile phones in a few seconds. When choosing a phone, it's important to consider the operating system and the apps and features that it offers, as well as the device's hardware specifications and design. Each operating system has its own strengths and weaknesses, and certain apps and features may only be available on certain operating systems. Memory management, Process management, Hardware management, File management, Security management, Network management, User interface, Device driver management. These are some of the main functions of an operating system, but there may be additional functions depending on the specific OS and device. Different types of ope...