From a screen you would like to capture, quickly press the Power button and the Volume down button at the same time.
If your device has a home button, press the Home Button instead of the Volume down button.
Tap the thumbnail of your screenshot to view it.
Drag the white borders to crop your screenshot.
Select a markup tool.
Write or draw on your screenshot with your finger.
Tap Done.
Tap Save to Photos to save the screenshot to your photo album.
You've completed the steps!
