I am not getting option of 1440p on youtube after setting my display to 2960×1440 in my note 8

On my galaxy note 8 if i get ecen single drop of water then it gives a water warning and then if does not goes back after using hair dryer too after a long time i have to bypass it is there any solution??

I am using note 8 after pie update substratum is not working why??

After one ui update pubg lags a lot does anyone facing this problm and another this the ram usage is also note good

Do anyone know how can i remove beta update notification still i hve de registered from beta program