If you are using a vivo phone, it refers to customizing the WeChat ringtone: you can enter WeChat--Me--Settings--New message notification--Incoming call ringtone--Change ringtone, select settings; also You can set exclusive ringtones for friends--select a contact--select ringtone settings.

If there is no ringtone during a video call on WeChat, you can troubleshoot as follows:

1. Enter WeChat--Me--Settings--New Message Alert--Turn on "Receive Voice and "Video Call Invitation Notification"; then enter "Voice and Video Call Reminder"--Audio and Video Call Invitation Notification--Sound. If set to mute, please select other ringtones;

2. Enter Settings--Sound And vibration/sound--select "ring mode" and increase the ring volume; if there is a mute button on the side, please press the mute button to exit the mute mode;

3. If WeChat is not in It is running in the background and cannot receive relevant notifications. Please open WeChat, enter the multi-tasking switching interface, pull down and lock it to see;

4. If you log in to WeChat on the computer, WeChat messages on the mobile phone will be muted, please exit. Log in to your computer and take a look.

For more usage doubts, you can go to the vivo official website--My--Online Customer Service--Enter manual and consult online customer service for feedback.