Why does Huawei p7 ring first and then light, and sometimes there is no sound at all?

This is an auxiliary function of Huawei P7, which is called "Pick up the phone to reduce the volume of incoming calls" and can be turned off in the system settings. The specific method is as follows:

Light and unlock the phone screen.

Click to enter the phone settings.

Click "All Settings" in the upper right corner.

Find and click "Gesture Control" in the menu.

Click "Pick up the phone"

Click to turn on or off "Turn down the volume of ringing tone" and "Turn down the volume of timer and alarm clock".