How to Update an LG SJ4Y Soundbar

Introduction

This guide will walk you through updating the firmware on your LG SJ4Y sound bar.
LG SJ4Y Soundbar.

1 Requirements

In order for your device to properly process this firmware update successfully, you will need access to a computer and a Flash Drive that has been formatted to a FAT32 filesystem.

Diagram of a USB drive.

? Do you have a USB disk that is formatted FAT32?

  1. Yes
  2. I have a USB disk, but I need for format it FAT32
  3. No, I do not have a USB disk

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This guide will walk you through updating the firmware on your LG SJ4Y sound bar.
LG SJ4Y Soundbar.

In order for your device to properly process this firmware update successfully, you will need access to a computer and a Flash Drive that has been formatted to a FAT32 filesystem.

Diagram of a USB drive.

Windows

  1. Insert the USB drive into your computer.
  2. Open your browser, and go to http://www.lg.com/us/support-product/lg-SJ4Y.
    Browser with address bar highlighted.
  3. Scroll down, and select Software, Firmware, & Drivers.
    Website with proper link highlighted.
  4. Scroll down, make sure you are under the heading for Firmware update for SJ4Y. Select the file that ends in .zip.
    Website with speaker firmware header and zip file highlighted.
  5. Choose to Open the file.
    Edge file download prompt with Open highlighted.
  6. Copy the HEX file out of the ZIP file, and onto your USB drive.
    Windows Explorer with zip file open with HEX file highlighted.

macOS

  1. Insert the USB drive into your computer.
  2. Open your browser, and go to http://www.lg.com/us/support-product/lg-SJ4Y.
  3. Scroll down, and select Software, Firmware, & Drivers.
    Website with proper link highlighted.
  4. Scroll down, make sure you are under the heading for Firmware update for SJ4Y. Click on the file that ends in .zip.
    Website with speaker firmware header and zip file highlighted.
  5. Select Downloads, next to your Trash.
    macOS Dock with the Downloads area highlighted.
  6. Select Open in Finder.
    macOS downloads folder view pop-up from Dock with Open in Folder highlighted.
  7. Copy the HEX file to your USB drive.
    Finder with HEX file highlighted.
  1. Turn on your soundbar by pressing the Power button on the remote.
    Diagram of the remote with the Power button highlighted.
  2. Push the Function F key on the top of the remote till USB is selected on the front LEDs of your soundbar.
    Diagram of the LEDs on the soundbar with USB highlighted.
  3. Insert the USB drive that you copied the update file to.
    Diagram of the USB port on the soundbar.
  4. The status lights on the soundbar will begin to flash in order during the update.

    Do not turn off, unplug, or interrupt your soundbar during the update process. Doing so can cause your sound bar to stop functioning and require repair to work again.

  5. The sound bar will turn off when the update is complete.
  6. Remove the USB drive from your soundbar.

There are 2 main Operating Systems for personal computers currently available, Windows and macOS.

Windows
Windows runs on computers produced by multiple companies, such as Lenovo, Asus, Dell, Toshiba, Hewlett Packard, Acer, and Sony.Windows 10
macOS
Apple is the only company that makes macOS computers.macOS Mojave

Any and all data on the USB drive will be destroyed during this process. Make sure the drive is blank, or copy the data to a safe place before proceeding.

  1. Insert a USB disk into your USB port.
  2. Open Windows Explorer.
    Windows Explorer.
  3. In the right-hand pane, locate your USB disk under This PC.
    Explorer left-pane with USB Disk highlighted.
  4. Using your right mouse button, right click on your USB disk. A menu will open up.
    USB Disk Right-Click menu.
  5. Select Format...
    USB Disk Right-Click menu with Format highlighted.
  6. For File system, select FAT32. For Volume label, enter a name you want.
    Format dialog with File system and Volume label highlighted.
  7. Select Start.
    Format dialog with Start button highlighted.
  8. A message will open, reminding you that any and all data will be lost. If you are sure this is okay, select OK.
    Format warning dialog with OK highlighted.
  9. Once the disk is done formatting, a message will open to tell you it is complete. Select OK.
    Format Complete dialog with OK highlighted.

Any and all data on the USB drive will be destroyed during this process. Make sure the drive is blank, or copy the data to a safe place before proceeding.

  1. Insert a USB disk into your USB port.
  2. macOS will recognize the disk and show its icon on the desktop.
    macOS desktop showing USB Disk connected.
  3. Launch Disk Utility.
    1. Select Search in the top-right corner.
      Spotlight icon highlighted.
    2. type in "Disk Utility". Select the Disk Utility search result.
      Disk Utility search in Spotlight.
  4. Select your USB Disk from the list on the left.
    Disk Utility with USB Disk highlighted.
  5. Select Erase at the top.
    Disk Utility with Erase highlighted.
  6. Give the disk a Name, and select MS-DOS (FAT) for Format.
    Erase dialog with Name and Format highlighted.
  7. Select Erase.
    Erase
  8. A progress bar will open. Wait will the disk is formatted.
    Erase
  9. Once complete, select Done.
    Erase
  10. Quit Disk Utility. Select the Disk Utility menu at the top, then Quit Disk Utility.
    Disk Utility menu with Quit Disk Utility highlighted.
Return to this guide after purchasing a USB drive.
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