In Samsung M51, Whenever a Black picture is scrolled through a blue tint follows on at the end of picture.
For example when the black image is swiped to bottom, then top end of the picture having blue lining/tint momentarily, it is visible on low brightness, hard to notice on full brightness.
Attaching link for video sample
Sample 2: watch the blue and brown gears:
Captured with M51 built in screen record feature:
Recorded with another mobile camera ( sorry for poor video quality had to record with low light to make the issue visible):