The primary method for updating the LG NB4540 reflects a shift toward user-friendly, wireless technology. The soundbar is equipped with a built-in Wi-Fi feature that, when connected to the same network as a compatible smart device, allows for an over-the-air update via the "LG Wi-Fi Speaker" or "LG Sound Bar" application. In an ideal scenario, the user simply opens the app, navigates to the settings menu, and selects the "Software Update" option. The soundbar then downloads and installs the new firmware automatically. This wireless convenience stands in stark contrast to older methods that required USB drives and manual file downloads, highlighting LG’s commitment to seamless user experiences.
If your NB4540 is connected to an LG TV via HDMI ARC (Sound Sync), the TV can sometimes push updates to the soundbar. lg soundbar nb4540 software update
Without these updates, your $400 soundbar may feel outdated and unreliable. The primary method for updating the LG NB4540