Lg Soundbar Nb4540 Software Update -

Use a drive formatted to FAT32 with at least 1GB of free space.

Insert the prepared USB flash drive into the located on the back or side of the soundbar. Turn on the soundbar. lg soundbar nb4540 software update

: If the soundbar behaves erratically after an update, perform a reset by holding the Volume Down button on the unit and the Sound Effect button on the remote simultaneously for 5–10 seconds. Use a drive formatted to FAT32 with at

Corrects audio delay and lip-sync issues over optical or HDMI ARC connections. lg soundbar nb4540 software update