edge lighting black color

[vijaisharon]

Hi in my s21 ultra fb and other notification edge lighting blinking in black color,  

[Sidhabhi]

Check all settings like app color>custom color

[vijaisharon]

hi bro but no opinion

[Sidhabhi]

Bro go to notifications>brief pop up and check all settings
or
once clear cache/data of edge lighting/edge screen

[Ehsank]

did you check in edge lighting style ?

[vijaisharon]

s bro

[vijaisharon]

so my conclusion is 3.1 one ui face book edge lighting it's black,