Even with careful steps, issues can arise. Here are solutions for the most frequent problems.
Insert the USB drive into the USB port on the back/side of the unit. Power the soundbar on and switch the input source to . The display should flash "UPDATE" as the process begins. lg soundbar nb4540 software update
There are two primary ways to check for and apply updates to this soundbar: Even with careful steps, issues can arise
Download the LG Soundbar App from the Google Play Store or Apple App Store. Even with careful steps
Before downloading anything, determine which version your sound bar is running.