Buy a little portable WiFi router. Most TVs are fed content via an Ethernet cable on DHCP. Unplug it from the TV, plug your preconfigured router in and connect the TV into the router.
Enjoy high speed, free internet.
Make sure to pet the plane right before you get on and tell it that it is a good plane. I do that every time and the plane never crashes.
Sit outside the VIP lounges and get free wifi.