The Galaxy A30 and A50 feature plenty of useful gestures. Some are
enabled by default while others need to be manually enabled. Some
gestures like Lift to Wake, Double tap to Wake, and Smart alert are
enabled out of the box, though some users might f...
By default, the Always On Display is set to automatically trigger when
you tap the display once. However, you can set it to remain always on.
Just head over to Settings -> Lock screen -> Always On Display and
change the Display mode to Show always.