Does mate have a green dot reminder function?

Yes, taking Huawei mate30 and EMUI 10.0 systems as examples, the method of setting information flashing green light is as follows:

1. Open phone settings and click Notify.

2. Select the screen lock notification.

3. Click to display all notifications.

4. Select more notification settings.

Just turn on the indicator light when you receive the notice, and then you can prompt when you receive the message.