A user who wants to manually update the firmware of a Netgear router has to the Netgear Download center and download the latest firmware available for your router. Enter the correct Model version and product name in the required field to download the correct firmware version for the router. Save the downloaded file on the computer from where you can easily access it. Now, visit the web menu Dashboard of a Netgear router and upload the downloaded firmware file in the routerlogin.net interface.
https://netgearoutersetup.com