Auto-rotate screen automatically rotates your devices screen when you flip your device between landscape and portrait mode.
Enable and Disable Auto Rotate Screen
Open the notification bar, by sliding down from the top of your screen
Find "Auto-rotate" or "Auto-rotation" (depending on your device) in the Quick Settings
Tap on the icon to enable or disable the feature
1. Go to settings
2. Select "Display"
3. Scroll down until you reach "System" and select to turn on Auto-Rotate