Resolving various Netgear Wireless Router issues and adding new functionalities requires you to update the Netgear wnr2000 firmware. Visit Netgear’s official website to download the latest firmware. Use the Ethernet cable to connect the router and the computer. Open a web browser on your computer and browse routerlogin.net. Under the Administrator tab, click on Advanced. Click on the “Firmware Update” option to update the Netgear firmware. Select Upload and choose the downloaded file to complete the process. Why do you need firmware? The latest firmware helps you enhance the performance and functionality of your router. The latest and updated firmware resolves issues as well as adds advanced and new features to the router.