Yes, almost every Boeing 777-300ER in commercial service in 2026 is equipped with seatback In-Flight Entertainment (IFE) screens across all cabins. Because this aircraft is a "long-haul workhorse" designed for flights of 10 to 16 hours, airlines like Emirates, Qatar, United, and Air France have invested heavily in high-definition touchscreen displays. In Economy, screens are typically 10 to 12 inches, while Business and First Class can feature massive 24 to 32-inch displays. In 2026, many of these systems have been upgraded to include 4K resolution and Bluetooth audio connectivity, allowing you to use your own wireless headphones. A few "low-cost" or regional configurations might rely on "streaming to your own device," but for the vast majority of international 777-300ER flights, you can expect a full library of movies, live TV, and interactive flight maps. To stay grounded, always check your specific airline's "Onboard Experience" page before flying, as some older "un-refurbished" aircraft may still have lower-resolution, non-touch screens that require a remote control tucked into the armrest.