Make screenshots can get images from any menu, application, etc. you're using your smartphone with Android operating system. So you only have to press the volume down button while holding down the power button.
It is possible that both buttons are located on the same side of your smartphone or may be on opposite sides; It does not matter, since the procedure is the same.
In less than a second, a kind of flash will appear on your screen, in some models, be accompanied by the text "Saving screenshot" at the top of your mobile device.
You'll also see the picture on the screen, away and according as you have activated the notificaciones- a popup warning or an icon in the top bar of your Android.
To view the photo of your screen, go to the gallery and then press the album 'Screenshot' or 'Screenshots', depending on which language you have configured your mobile phone.