If you are using a vivo mobile phone, you can delete the small video on WeChat by going to WeChat-Me-Settings-General-Storage Space-Chat History-Management-All Types-Select "Video"-Select Delete; Or go to File Management-WeChat-Video-and select File Delete.

Note: Please pay attention to backup data before operation.

If you have more questions, you can go to official website /vivo Mall APP-My-Online Customer Service or vivo official website Web Edition-Slide to the End-Online Customer Service-Enter the manual customer service for consultation and understanding.