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not much since i close the lamp and i dont work in dark room.m1 just portable device meeting with customer or travel .
I know, it is fine using it brighter environment. That is just something not supposed the be there even in those conditions IMHO.
 
These Led backlights do not have warming up.


You had dead pixel?
That is not good even if it disappeared it might come back.
no i mean if i have dead pixel on the spot return.

not sure if you said no backlight but to me i prefer good color but one second on boot not really effect me at all , i also try max brightness and seem good no weird color.
 
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