Nb4540 Software Update Upd | Lg Soundbar

LG NB4540 Soundbar

Updating the typically involves using a specialized mobile application or a manual USB process if a specific firmware file is provided by support. While current support pages for the NB4540 often state that "No softwares available for download" , LG provides universal methods for their legacy audio equipment. Method 1: Using the LG Soundbar App (Recommended)

Update your LG NB4540 if:

Enhanced Sound Sync:

Better synchronization when used with LG TVs. lg soundbar nb4540 software update

1. Download the file.
2. Unzip it to the root directory of a USB thumb drive (FAT32 format only, naturally).
3. Plug the USB into the service port on the back of the soundbar.
4. Wait.