The SEK-3500U is only compatible with 4K UHD TVs, however, the SEK-4500 is compatible with your set:I can't flip through 24K+ posts right now, but, is there a FULL list of compatible TVs for this thing anywhere, or does anyone who is a real Samsung expert, know what the latest and greatest Evo kit is for the UN55F8000 that works? Making its way to be my garage loft/bar TV, and I don't know about these boxes. Just know mine is on firmware 1218,and evidently that's as high as you can go without a box of some sort. Please and thank you in advance for your help.
The thread is shorter so you won't have to go through 24K+ posts and the first post of the thread has a lot of good info. Basically it will give you newer Tizen apps, the Samsung one remote (which will control connected devices using HDMI-CEC), and the ability to control your TV with the Samsung SmartThings app. Although compatible with your TV, unlike an Apple TV or Nvidia Shield, you will not be able to use it with any TV (and you likely will not have a use for it when you replace your TV). Also, new 4K TVs can be purchased for not much more than the cost of the evolution kit.