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Cudnovati Sisavac

After updating firmware 04.71.25 pic is degraded on 55UM7450

Question

Maybe I didnt noticed that before. But when watching TV programs (DTV, via antenna, DVB-T2/h265) I noticed that logos arent super crisp, sometimes like they have those artefacts around them, noticable specially when looking from close, like when you have in tube streaming, also similar artefacts can be seen when looking at TV telps with lots fo jpegs/inforgraphics). Its noticable on pictures (human faces) but less. Like some pixelisation.  Some channels are better but....I doubt that has anytging to do with update but I want to be sure if that is possible....the last two updates (newer than my stock firmware) came with minor fixes (says nothing about processing or picture). What do you think?

I have 55UM 7450PLA LED TV. I manually updated from 04.07.20 to 04.71.25 (firmware downloaded from official LG page for this model).

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