Samsung Galaxy J2 Prime Dual SIM User Manual page 20

Basics
Dragging
To move an item, tap and hold it and drag it to the target position.
Double-tapping
Double-tap on a webpage or image to zoom in. Double-tap again to return.
Swiping
Swipe to the left or right on the Home screen or the Apps screen to view other panels. Swipe
upwards or downwards to scroll through a webpage or a list of items, such as contacts.
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