How do I activate my connected device? February 11, 2019 17:34 Updated Trying to log in to your TV provider on a Roku, Fire TV, Apple TV, Xbox One or Android TV? Just go to cartoonnetwork.com/activate and enter the code on your screen! You will be taken to your provider to log in. Related articles How do I activate my connected device? Is it free? Can I watch the Cartoon Network app on my mobile device or TV? What's a "TV provider?" Is Cartoonito included in my TV subscription?