Tools/materials: Xiaomi 10, MIUI 12.5.3.0, WPS Office 13.6.

1. In the wps application, open more tools in pdf format.

2. In the PDF tool, find the PDF signature option.

3. Click to select the document option at the bottom of the page.

4. Open the document that we need to sign.

5. After opening the document, click the Create Signature option.

6. In the signature area, just write your name.