1. First, click the desktop icon, find and open "Settings" in the system tool.
2. After opening the settings page, find and click "Sound".
3. After opening the sound page, click to enter the ringtone of a card.
4. Click "Video Ringtone" again.
5. On the video ringtone page, click and select a local video (the video needs to be downloaded or recorded and saved on the mobile phone first).
6. After the video is selected, you can see the effect of using it as a video ringtone. If you are satisfied, you can click the small check mark in the lower right corner. After clicking, the video ringtone is set successfully.