Download Netgear WNDR3400v3 Router Firmware Upgrade

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To start downloading Netgear WNDR3400v3 Router Firmware Upgrade, please choose one of the links from the list below.

  1. WNDR3400v3 Firmware Upgrade

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. The filename after extracting is WNDR3400v3-V1.0.0.38_1.0.40.chk
  3. Log in to the router using a Web browser. The URL is
  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.

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If you have found mistakes during downloading, please email to We will endeavour to solve these as soon as possible. Other problems, please try to contact publisher's official support.

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