The Snapdragon 990 & Exynos 865 are very different smartphonesالفرق الكبير بين نسخه المعالج سنابدراجون ٨٦٥ و ايكينوس ٩٩٠ علي هواتف سامسونجhttps://youtu.be/6CUSe8kgIE8
I think it's better to report that to Samsung's customers service by phone and in Samsung members app also so they will notice that problem and try to solve it I think most people who already purchase samsung phone wouldn't know any thing about that ...