2. Press and hold the Home and Power buttons simultaneously up to your phone vibrate. This combination usually works more effectively if you press the Home button slightly before Power.
3. The S4 will display a message saying “Saving screenshot…” in the notification area. If you notice that message, you will certainly know you have successfully captured a screenshot.The image is also copied to the clipboard if you wish to paste it somewhere.
4. You can enjoy the screenshot in the Gallery app in a folder labeled Screenshots. It’s also possible to access this folder by Connecting your phone to your computer.