First of all the user opens the web browser. Now you can enter the www.routerlogin.net of your NetgearNighthawk AC 2400 wifi router.
You enter the username and the password, Here the username is admin and the password is the password. After this, you can tap on the advanced settings. you again tap on the firmware update.Now the user gets the latest firmware in a few seconds. if you need any help https://wwwrouterloginnets.com/setup-of-the-netgear-nighthawk-ac-2400-wifi-router/