If you cannot find the model number on the sticker (or it is worn off), you can use the Lenovo Service Bridge tool.
The LNVNB161216 board could have different Wi-Fi cards or Bluetooth modules depending on the specific configuration. Using the exact model ensures you get the right driver for the specific part installed in your machine.
Before downloading anything, you need the specific machine type or model number.
Always download drivers directly from the Lenovo Support Website to avoid malware and compatibility issues.