I dropped the surge protector now the TV is directly plugged to the outlet, I did some researches I found that QLED TVs use blue led backlight, is it possible that something went wrong with the backlight? I am not sure if my X80j is QLED since Sony is marketing QLED as Triluminous but it's more as software side now-days so I can't know for sure if my TV is using blue led backlight, it just feels like there was more blue to the picture like this one :

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After using the TV directly plugged to the outlet I noticed that it became more responsive, Google TV menu was blazing fast, do you recommend bypassing the surge protector because I think it's just acting like a regular outlet with a voltage displayer and a switch to turn off the power if the voltage is higher than what's set 250v or lower than 220v then it turns on after 10s of cooldown, taking in consideration the increased responsiveness the picture is still not as before, is there something I can do regarding this issue ?

I'll try that when I get back home, I'll post for update later.

Thanks for your reply, the surge protector I am using only cuts power if voltage is higher/lower than settings since the TV can't do it itself, is there something I can do to get back to the original picture quality of the TV ? this gives me anxiety to high levels imagine upgrading from a 10 years old TV and your new TV looks stunning then you mess up and it's not looking as great