Lines on my screen

[Geordie74]

 

I have 2 vertical lines on my screen that drive me mad. I have had a new screen already and there still their. Can anyone help with any advise please. Picture only shows 1 line but the other is the same on the other side of the screen 

[Cosmin1990]

I had the same on my s8+...gave it back to samsung for warranty(its 2 yrs) and they gave me a new one(or a new refurbished one),but still they fix it.Hope this helps!