Download the latest firmware update from our website here https://www.TRENDnet.com/support/. The firmware download will be in a compressed format.  You will need to extract or unzip the file.  We recommend extracting the file where you can locate it.  For example, your desktop.

Open your web browser and enter the IP address of TEG-424WS into the address bar. The default IP address is 192.168.10.200.

Enter the Username and Password then click Login.  By default both the Username and Password are admin.

Click Tools > Firmware Upgrade > via HTTP.  Click Browse and navigate to the location you extracted the firmware to.  Select the firmware file then click Open.

Click Apply to upgrade the firmware.