The latest iterate of ios is ios 11.0 which is available for Apple tv 4. This version of ios 11.0 has many new function alon with bug fixed. you can download the firmware beloq
ios 11.0 for Apple TV 4
The Apple Television set 4K will deliver better image quality to suitable TVs when loading 4K, HDR and/or Dolby Perspective Television shows and movies, which are becoming ever more common on Netflix, Amazon . com, iTunes and elsewhere.
Buy imagine if you do not own a 4K HDR Television set, and don’t thinking about purchasing one anytime soon? To begin with, the Apple Television set 4K will continue to work fine with your present TV. It will not provide any advantages in image quality, working speed or other things so far as we’ve seen, although its better cpu and graphics may provide some advancements in video gaming on non-4K Television sets once video games are optimized to make the most.