Many PDVDers (me, included) had problems with the plasma models released several years ago.
And since 2019, Samsung has lowered their warranty coverage to only 1 year, which I think is a bad deal considering the price of their TV's.
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Anyways, for your budget, you can get the LG 55 C9. And it's an OLED too, far better picture quality, albeit in a slightly smaller screen.
Also, the Sony 65 X8000g can be bought for just under ₱50k these days (cash is probably at ₱48k, card maybe ₱52k). You might want to check Anson's for that.
But if you mean the Sony 65 X9507g, ₱85k for 0% 12 months is a good deal.