There are lots of Smart TVs out there and they all need a network connection in order for those smarts to work for you.
Although our support staff cant really walk you through step by step, we have put together a list of common support channels you can go through to get these devices issues solved.
Support website: https://www.usa.philips.com/c-e/so/televisions/support-page.html
Phone: 1-800-722-9377