The math starts to get fuzzier when looking at TVs from two years prior. You should approach these discounted models differently, as they’re already relatively deep into their software-update timeline. Look at it this way: If you buy a 2025 TV, the first software update you install will almost certainly fix some performance-related problems that were present when it first hit the market. From there, it’s reasonable to expect several additional years of support, depending on the maker. LG has promised five years of webOS updates for its smart TVs, so LG TV-owners will receive major software upd