What is the difference between before and after the mobile phone is swiped? Who can tell me more about it?

The so-called brush machine is to upgrade the operating system of the mobile phone or replace it with other systems, which is similar to the computer installation system, that is, brush rom. Brush machine can meet your needs for some things you need. For example, my current mobile phone interface is not very beautiful, and I want to experience it in a different style. Of course, I can change the subject. The more advanced thing is to brush the machine to other systems, which is a technical job. Generally speaking, brushing is to upgrade the ui kernel of the mobile phone operating system, which are all brushing.