How to insert handwritten signature into mobile phone WPS, here are the specific steps.

1. First, open the mobile phone WPS software and click the document.

2. Enter the document and click Edit.

3. Enter the editor and click the "Menu" icon.

4. Enter the menu bar and click "Brush". Pop-up window, click "Finger" to open the slider.

5. Finally, use the handwritten signature and click "Finish" to succeed.