You can refer to the method of sending recording: enter the "recorder" app-long press a recording file-share-slide the bottom left and right-select the sending method-send.
If it refers to how WeChat sends the recorded file, you can enter the WeChat friend chat interface-click the+sign in the lower right corner-slide to the second page-file-switch "mobile phone storage" in the upper right corner-record and select the corresponding file to send.
If you mean sharing the recorded file to WeChat:
1, file management-mobile phone storage/memory/all files-recording-recording folder-check in the upper right corner-select the recording to share-share to WeChat;
2. File management-mobile phone storage/all files-recording folder-check in the upper right corner-select the recording to share-share it to WeChat.
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.