1, first open the nailing software in the mobile phone.

2. Enter the class nail group.

3. Click the three dot icons in the upper right corner, and click the courseware function.

4. Click the Add File function.

5. Click the upload function.

6. Click on the phone file.

7. Select the courseware file to upload.

8. Click OK.

9. Courseware files can be uploaded to the nailed class group.