First, you can open the web browser. Here the user can write www.linksyssmartwifi.com After this, the user can enter the username and the password, here the username is the admin, and the password is the password. Now you click on the advanced settings. Here the user can click on the factory reset. Now the user can get the router in the default settings. If you need any help click on https://linksyssmartwifilogins.com/2020/04/22/which-way-user-can-use-ap-mode-in-the-linksys-wrt1900-acs-router/