Before you start, make sure:
The app will display your current version and notify you if a newer version is available for download. lg soundbar nb4540 software update
The NB4540 . It does not update over Wi-Fi or Bluetooth. Before you start, make sure: The app will
(released around 2014) is currently considered a legacy product. Consequently, there are from official LG support channels . Current Status of Software Updates Official Downloads : Official LG support pages for the explicitly state "No softwares available for download". Before you start
The LG NB4540 soundbar can be updated to improve performance and resolve technical issues using the LG Soundbar App