Huawei mate40 screen has small blue dots.

Don't operate the mobile phone when it is wet or flooded, let it dry by itself, the screen will be crushed and the screen will leak. The following methods are used to solve the problem: restart the machine. Switch to a different interface and see if this happens in the same place. Initially eliminate the background problem of the model. Try to restore the factory settings. If the problem still exists, you need to actually test the physical machine. It is recommended to send the mobile phone to the nearest service center for testing, and the service center will determine the specific problems and accessories of the mobile phone according to the test results.