Knowing your current firmware is the first step. To find this information, you’ll need to use the official “LG Soundbar” or “LG Bluetooth Remote” app. Simply install the app on your smartphone, and in the settings menu, you should find an "Information" or "About" section that displays your soundbar's current software version.
The unit should detect the update. The display might show "UPDATE," "DOWN," or a loading bar. lg soundbar nb4540 software update
Precautions and Troubleshooting
: Install the app from the Google Play Store or Apple App Store. Knowing your current firmware is the first step
The most reliable way to check this is by using the on your smartphone. Once your soundbar is connected to the app, navigate to the Settings menu. There, you should find a section for "Device Information" or "Software Version Information." This page will clearly display your current firmware version. The app will also typically tell you if this is the latest version available. The unit should detect the update
If the progress bar stalls for more than 15 minutes, power-cycle the unit. Unplug the power cable from the wall, wait 60 seconds, plug it back in, and restart the update process. Bluetooth or Subwoofer Disconnected After Update
Step 4: Finalize and Reset