Samsung Galaxy A21 - Turn Screen Rotation On / Off
Here's how to check settings if the display on your Galaxy A21 doesn't rotate or flip.
- Swipe down on theStatus bar(at the top) twice to expand the quick settings menu.The image below is an example.
- Tap 'Auto rotate' or 'Portrait'.Auto-rotate is enabled when 'Auto rotate' appears and the icon is highlighted in blue.