Although domestic users are unfamiliar with Android patching, Google has done a lot of work to protect Android. Recently, Google released the Android patch for July 2018, which fixes 44 vulnerabilities in Android.
Several of these vulnerabilities are still quite serious. For example, some vulnerabilities can allow remote code execution, and some vulnerabilities can also reveal user information, enhance permissions, and so on. One of the most serious ones, the vulnerability numbered CVE-2018-9433, directly affects the entire framework.
Google released Android patch fix vulnerability
This Android patch supports all Android versions after Android 6.0. For foreign users, it is best to patch this morning. Whether domestic users can apply these patches can only look at the practices of mobile phone manufacturers.