Do NOT turn off the power throughout the upgrade process, as it might cause permanent damage to the product. Like for the couple Belkin routers, you leave the username Area blank after which you can just enter the password to gain access on the router settings. Enter the default Linksys http://192-168-l-0-tenda-router20739.imblogs.net/16264927/new-step-by-step-map-for-tp-link-wireless-lan-driver