MIUI 14 launches the "Razor Project". - Compared with the previous generation, MIUI 14 firmware has been reduced by 23%. - Check the non-essential self-starting processes one by one, strictly control the memory usage of system applications and services, and release the boot memory as much as possible, so that it can be used properly. - Number of applications that cannot be uninstalled is reduced to 8. w xiaomi watch s2 has two sizes of 42mm and 46mm.