Portrait

• 1). Press the home button on your iPhone two times to access multitasking.
  
  
• 2). Scroll from left to right on the multitasking tab until you see an icon with a circular arrow inside a square.
  
  
• 3). Tap the circle icon to lock your iPhone in portrait mode.
  
  

Landscape

• 1). Hold your iPhone in portrait mode.
  
  
• 2). Rotate your iPhone 90 degrees until your device changes to landscape mode.
  
  
• 3). Rotate your iPhone another 90 degrees in the same direction. You have now locked your device in landscape mode.