Last updated: May 2026
In this detailed guide, we will cover:
If you don’t have a USB drive, the app (available on Google Play and Apple App Store) can push updates via Bluetooth. However, this method is slower and prone to interruptions. lg soundbar nb4540 software update
Latest known version for NB4540 (as of 2026): or Main 0.3.0 . If yours shows lower, proceed with the update. Last updated: May 2026 In this detailed guide,