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Supposedly it does, but some content we feed to the tv through our firestick doesn't result in the sharpest image the tv is capable of displaying. Our firestick has stored passwords, so it's not going anywhere. Make sure your firestick is a 4k if that's what you're using.
Sorry, there was a problem. Please try again later.This TV does indeed feature a 4K resolution and will upscale non-4K content. Hope this helps! Thank you, TCL Customer Support
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