i am facing same on s9+, snapdragon

i tried the app, not sure how to adjust the settings. i am having same issue after using the app. plz guide me with steps

yea agree. this happened after 1.5yr of use. s9+

same issue after recent software update

@shinchannohara:I completely agree with your theory, but let me ask what if the black portion is videos are having black crush issue? Is that because of Amoled feature? I am using s9+ and i have this black crush issue when phone brightness is low.. i...