Skip to Contents

Product Support

Receive help on your LG product

Check out the latest information related to this product.

  • TV/Audio/Video
  • Home Entertainment
  • N4B2ND4


Manuals & Documents

For the most accurate technical information regarding features, specifications, installation and operation of your LG product, please refer to the Owner's Manual and other documents available for this product.

If you don’t have the viewer program, click the link to download it.
  • Owner’s Manual

    The Owner’s Manual offers pertinent product information.

Software & Firmware

  • Software Update

    Software upgrades include device drivers and firmware updates only for specific models. Check your owner's manual to determine if your product supports software upgrades.

    [New UI]New System firmware(version 10124) for N4B2*** which Security Issue was improved. Reference

    Notice & Caution

    ======================================== NOTICE =====================================

    Please read and note followings.
    Service for problems caused by user mistakes without any notice is not free.

    Please check your system before, Firmware upgrade would be failed by unstable system.

    This program can not be registered on open web site.
    Anyone who registered this Program on open web site will be liable for damages

    To obtain the source code under GPL, LGPL, MPL and other open source licenses, that
    is contained in this product, please visit 
    In addition to the source code, all referred license terms, warranty disclaimers and 
    copyright notices are available for download.


    Updated System Firmware(Version 10124)of N4B2 (Network Storage Product) is newly 

    ? Caution

    1. Before the firmware upgrade of LG NAS, we recommand you to do configuration backup 
       for stability
    2. While upgrading firmware, Stop other works on PC and Be careful for PC Power-off.
    3. Give a warning to client user so as not to access LG NAS while firmware upgrading      
    4. Upgrade on PC which is installed Firewall or other Security program would be failed.

    New Fimware information

    ? Model Name : N4B2(New UI)
    ? Firmware Version (System) : 10124
    ? Firmware name : firmware-N4B2_10124rfke.bin
    ? Improvement point
      - improve Security issue 
      - familycast functionality is removed because that service is not available anymore
      - Unnecessary information is deleted in log data
    ? How to upgrade :
     1.If the current FW version is 10124, you don't have to upgrade Firmware.
       Checking System & ODD Firmware is available on LG-NAS_WebMenu --> 
       Configuration --> System --> Firmware update 
     2.Download from Homepage. and extract the zip file.
       -> firmware-N4B2_10124rfke.bin (designate the folder to download)
     3.Click "Search" Button on "System" Category on LG-NAS_WebMenu --> 
       Configuration --> System --> Firmware update --> Manual upgrade Find the 
       And then, click "Upgrade" button.
     4.After upgrading, System will restarts automatically.
     5.Upgrading time will be around 1~5 minutes

How-to & Tips

    • Troubleshooting
    • Home Entertainment
    Troubleshooting of "Emergency Update Mode" Error display.
    • Troubleshooting
    • Home Entertainment
    How to disable default Demo Mode in LH64B
    • Operation
    • Home Entertainment
    How to unlock display?
    • Operation
    • Home Entertainment
    One Point Lesson : Multi Bluetooth Connection in CM9960
    • Troubleshooting
    • Home Entertainment, TVs
    Subtitle doesn't appear when I play a video

Video Tutorials