First start by turning your phone and navigate to the screen you want to immortalize with a catch. It may be absolutely any type of content; from an application to a movie, going through web pages and the like.
Once ready and we want to capture the screen, simply click at the same time the power button on the phone and the volume down button. It is important to press both buttons at the same time to ensure that this method works.
If all went well, we'll see how the screen lights while emitting a similar sounds when taking a picture with mobile sound. At the same time, in the notification bar message "Saving screenshot" which tells us that we have made a screenshot that can be opened by clicking on this notice appears.
We also have the ability to access our screenshots entering menu "Gallery" and open the folder "Screenshots" (or "Screenshot" in some cases).