as follows:

Tools: Huawei P2

Operating system: EMUI 1.

Operating software: Aauto Quicker 5.

1. First, find Aauto Quicker on the mobile phone page and open the Aauto Quicker APP.

2. after opening Aauto Quicker APP, you can see an icon for taking video in the upper right corner of the displayed page. click this icon to open it.

3. After clicking, you can see an option of "photo album" in the lower right corner of the mobile phone page. Click this option to open it.

4. After entering, click on the video, select the video to add music, and then click Next.

5. Search for the music you want from the top, click Use, then select the "√" icon in the lower right corner, select Next, and then select Save and Exit, and you are finished.