Hbomax com tvsignin enter code firestick is a streaming service that offers an extensive library of movies, TV shows, and original content. It's available on many devices such as Firestick, Roku, Apple TV and more. With HBO Max you can watch all your favorite HBO shows like Game of Thrones or The Sopranos along with classic films from the Warner Bros library like Harry Potter or Lord of the Rings. You can also access exclusive new programming only available on HBO Max such as Friends: Reunion Specials and Adventure Time: Distant Lands. To sign in to your account using Firestick device you need to enter a code which is provided by the app when prompted for it during signing up process.