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The other answers are incorrect. PÚA is the first revision/ first half of the model year. AUA is warehouse clubs. PUB/AUB are revisions - and these can be significant; ie the C1 PUB / AUB is actually an evo panel, whereas PÚA / AUA are not.
Sorry, there was a problem. Please try again later.These TVs have the same specifications. The 3 letter extension ( PUB & PUA) help LG identify the retailer. Please see the link for a side by side comparison of available specifications for both TVs, https://www.lg.com/us/compare?bizType=B2C. ^Daphane
Sorry, there was a problem. Please try again later.PUA is the standard model number. PUB is a model number that would be in select stores and could be missing features. For instance Costco sells this same TV with a different ending to the model number such as the PUB you mentioned and the model number is specific to Costco.
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