Lg Soundbar Nb4540 Software Update __full__ Jun 2026

: If the app indicates you are on the latest version, LG may not have released any recent firmware for this legacy model. Manual Reset

LG does not release frequent updates for the NB4540 (manufactured circa 2014–2016), but specific updates exist to fix Bluetooth pairing drops, volume control synchronization, and audio codec support. Here is the definitive method to check, download, and install an update. lg soundbar nb4540 software update

Before you start, make sure:

Smoother pairing with smartphones and tablets. : If the app indicates you are on

: Using a smartphone to manage the system wirelessly. volume control synchronization