Lg Soundbar Nb4540 | Software Update !!top!!

Press and hold the button on the unit and the number '0' on the remote control simultaneously for several seconds.

Ensure the device remains plugged in and powered on throughout the process to avoid corrupting the firmware. Troubleshooting & Support lg soundbar nb4540 software update

The easiest way to update the NB4540 is through the official LG Soundbar App , available for both iOS and Android . Press and hold the button on the unit