the blue tint is caused from failing leds in the backlight,the yellow phosphor on the front of the bulb crumbles off and emits a bluish purple tint, tell tale sign is a bluish purple vizio logo when first starting if you see this your leds are failing
=== Update (11/04/2021) ===
see this video he explains and shows the failed leds
https://www.youtube.com/watch?v=rBhqpwC5ekg
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=== Update (11/04/2021) ===
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this is a better video showing the crumbling yellow phosphor
the blue tint is caused from failing leds in the backlight,the yellow phosphor on the front of the bulb crumbles off and emits a bluish purple tint, tell tale sign is a bluish purple vizio logo when first starting if you see this your leds are failing
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=== Update (11/04/2021) ===
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see this video he explains and shows the failed leds
the blue tint is caused from failing leds in the backlight,the yellow phosphor on the front of the bulb crumbles off and emits a bluish purple tint, tell tale sign is a bluish purple vizio logo when first starting if you see this your leds are failing