If you own an soundbar, you possess a powerful 4.1-channel audio system known for its wireless subwoofer and virtual surround sound. However, like any smart electronic device, its performance depends heavily on up-to-date firmware. An outdated soundbar can suffer from HDMI handshake issues, audio sync (lip-sync) problems, Bluetooth connectivity drops, or incompatibility with new TV models.
Select to view the current version and check for pending updates. Method B: Manual USB Update lg soundbar nb4540 software update
: You can still download the original Owner's Manual and Quick Setup Guide from the LG New Zealand or LG South Africa support sites if yours is lost. If you own an soundbar, you possess a powerful 4
Write this number down. Compare it with the latest release on LG’s support site (see next section). If you own an soundbar