How to delete the mobile phone and recall it completely?

1. First, open the "File Management" software on the mobile phone and open the "Recording" folder.

2. Secondly, open the "total recall" folder and display all total recall records, including recording time and contact name.

3. Finally, click on the relevant recording to enter the "Recording File" page, select a recording file, click "Delete" and click "OK" to delete the recording file.