Then, you should find the parental controls option or access restrictions option. The option could be located either in Advanced Settings, Firewall, or Tools. Once you do, you should simply turn it off and then restart your router to apply the changes....
Quick and easy ways you can stop an user from accessing your Wi-Fi Is there an unauthorized user on your Wi-Fi network? You can usually see a list of connected devices in your router's settings or using the mobile app offered by your ISP...