Samsung Galaxy S9 / S9+ - Turn Screen Rotation On / Off
Here's how to check the display on your Galaxy S9 / S9+ if it doesn't rotate or flip.
- Swipe down on theStatus bar(at the top).The image below is an example.
- Swipe down from the top of the display to expand the quick settings menu.
- Tap 'Auto rotate' or 'Portrait'.Screen rotation displays content in landscape (horizontal) or portrait (vertical) and isn't available for all apps. Simply turn the device to change the view.