What is the custom ROM and the custom kernel of an Android OS
What is the custom ROM and the custom kernel of an Android OS Android Beginners Q&A A ROM would be considered the complete operating system (think MS Windows, Mac OSX) - in this case a version of the Android operating system. All of these operating systems have a section of code, which is called the kernel. The kernel is responsible for numerous things within the OS, mostly distributing processing capabilities in between programs (scheduling). When it comes to "custom"-ROM or kernels within the Android community, people are referring to complete Software packages (Cyanogenmod, Paranoid-Android etc) or kernels that are aftermarket software and not shipped by the manufacturer. A custom kernel would be that section of the OS only, that is handling scheduling etc. Both these things are in contrast to "stock Android", which is what ships on the respective Android devices.You can flash (install) a custom kernel onto a stock ROM to potentially improve performa