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Bug Fixes, New Features and Enhancements:

  • Fixed the issue that when android devices in sleep mode might cause router connection issue.
  • Fixed the issue that router don't support Up to 300Mbps wireless mode for Korea region.
  • Fixed the issue that router can't support 3TB USB disk well in DLNA function and ReadySHARE FTP protocol. 

Known Issues:

  • Time Machine function limitation: Only support “GUID Partition Table” and “Master Boot Record” in partition table format. We don’t support “Apple Partition Map” this format.
    Workaround: When you choose the partition scheme of your USB disk, please don’t select “Apple Partition Map” this format. 
    • For Non-journal system, support Time Machine backup size up to 1 TB.
    • For Journal system+ MBR partition table, support Time Machine backup size up to 800 GB.
    • For Journal system+ GUID partition table, support Time Machine backup size up to 500 GB.
    • We suggest customer to use the new USB disk to do time machine backup. If customer uses the USB disk which already include the old Time Machine backup file,
    • WNDR3800 might need spend some time to scan/valid the old backup file is ok to be used or not.
  • Traffic meter - Traffic volume control is not accurate due to sampling rate. It may exceed the limit.
    Workaround: Set a proper number in “Mbytes before the monthly limit is reached” in the traffic control.  

To Install

Note: To avoid wireless disconnect issue during the firmware download process, NETGEAR recommends that firmware upgrade be performed on a computer with wired connection.

  1. Write down all the settings which you changed from the default values, since you may need to re-enter them manually.
  2. Using the Download Link below, download and extract the new firmware to a convenient place such as your desktop.

    Download Link: http://www.downloads.netgear.com/files/GDC/WNDR3800/WNDR3800-V1.0.0.44.zip

  3. Log in to the router using a Web browser. The URL is http://www.routerlogin.net.
  4. Click ADVANCED tab > Administration > Firmware Upgrade. 
  5. Click Browse and find the file you just downloaded.
  6. Click Upload. Do not interrupt the upgrade while the router does this step.

Important Note:

  1. The upgrade process is completed when the on screen progress bar completes. If power LED light turns amber and blinking, power cycle the router to complete the upgrade.
  2. If the upgrade progress bar on web GUI doesn’t display correctly during firmware upgrade, you can still check the status using Power LED. The Power LED should be blinking (amber) during firmware upgrade.  After firmware upgrade is done and boots up the system, it changes to steady amber color.
    Please DO NOT power off or reboot the device during firmware upgrade, otherwise, it  may result to a corrupt firmware and cause the device not to work.

Maximum wireless signal rate derived from IEEE Standard 802.11 specifications. Actual data throughput will vary. Network conditions and environmental factors, including volume of network traffic, building materials and construction, and network overhead, lower actual data throughput rate.

This product includes software code developed by third parties, including software code subject to the GNU General Public License ("GPL") or GNU Lesser General Public License ("LGPL"). As applicable, the terms of the GPL and LGPL, and information on obtaining access to the GPL Code and LGPL Code used in this product, are available to you at NETGEAR's Open Source Code Web page

Last Updated:10/17/2025 | Article ID: 22208

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