How to copy the classic notification sound file in Redmi Note5

1. First, select file management on the Redmi note5 phone and click the mobile phone option on the file management page.

2. Next, find the folder you want to copy, press and hold the folder, and select Copy on the pop-up menu.

3. Then select another folder where you want to place this folder, and click on the folder to enter.

4. Finally, click Paste on the page to copy one folder to another.