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The LTDN50K321UWT isn't particularly feature rich, which makes it almost by default fairly straightforward to use on a day by day basis. There are a couple of niggles, though.
First, as well as looking a bit drab and failing to filter out a lot of unhelpful foreign language apps for UK users, the smart TV operating system can run a bit sluggishly at times.
Second, the remote control you get with the LTDN50K321UWT is a pretty basic effort; for the most part nothing more than the bog-standard plasticky effort you get with pretty much every other budget TV.
The only little 'bonus' it offers is a dedicated Netflix button providing instant access to the Netflix app.
Sound
While the LTDN50K321UWT's audio doesn't stand out from the budget pack like its pictures do, it's a solid enough effort. It's capable of hitting reasonable volumes, manages to keep voices sounding decently well rounded and clear, and creates quite a three dimensional soundstage even if that soundstage's width isn't quite as expansive as I'd ideally like.
There's not much bass worthy of the name, though, and what there is sounds detached from the rest of the mix. Also, the mid-range isn't expansive or open enough to handle loud sequences particularly well, meaning things can start to sound pretty harsh and brittle when the going gets tough.
Value
The LTDN50K321UWT is a 50-inch 4K TV with solid smarts that performs better in all the key picture areas than any similarly priced rival.
Aside from, perhaps, a few more of the UK's key TV catch-up services, it's hard to think what more you might reasonably have expected to get for £499.
