How to make ringtones for videos in photo albums?

System: Harmonious Operating System 2.0.0

The video ringtone in the photo album needs to be set in the sound and vibration of the mobile phone. Taking Huawei p50 as an example, the ringing steps of video in photo album are divided into five steps. The specific operation is as follows: 1 click and vibration

Pick the bell at 2 o'clock

3 Select the video ringtone

4 Select video

5 Click Apply.