Blue dot in front of unread SMS on Huawei mobile phone.

It is normal to have blue dots. The light doesn't flash when Huawei's mobile phone has notifications and messages. Find the settings of the mobile phone, and find notification management in the settings. One of them is that the indicator light flashes and turns on when a message is received.

The specific operation steps are as follows:

1. Long press the blank space on the phone desktop and click Settings in the lower right corner.

2. Click the icon corner again.

3. The display mode of the current corner marker is notification message, which can be modified by clicking.

4. Click on the corner to display unread mail, and complete the setting.