The current firmware version numbers should scroll across the soundbar’s LED front display. Write these numbers down. Step 2: Download the Official Update File
Leave the system completely alone during this process. The soundbar will automatically turn off and turn back on once the installation finishes. lg soundbar nb4540 software update
Major firmware updates can reset paired hardware. You will need to manually re-pair your wireless subwoofer. Hold the STOP button on the soundbar and the PAIRING button on the back of the subwoofer simultaneously until the LED light turns solid green. Post-Update Best Practices The current firmware version numbers should scroll across
Click on the or Manuals & Downloads section. lg soundbar nb4540 software update