Run the file and follow the on-screen instructions.
The here confirms the chipset. The 2504 09 often refers to the board revision or ANATEL firmware version. anatel wireless drivers 2504 09 3987
Based on the specific technical code provided (), this refers to a specific regulatory act by ANATEL (Agência Nacional de Telecomunicações), the Brazilian telecommunications regulatory agency. Run the file and follow the on-screen instructions
Look for a device name. If it's listed as "Unknown Device" or "Network Controller," right-click it and select . anatel wireless drivers 2504 09 3987
You can often find the official legacy drivers on manufacturer support pages. For example, the Lenovo Support Portal
Since "2504-09-3987" refers to the regulatory certificate, finding the correct driver requires identifying the actual hardware manufacturer (usually or Qualcomm Atheros ).