How to take screenshots on apple devices

this is a nice feature on iPhones, iPod touch and iPads  . because if you have photo with 5mb-7mb photos on iphone its difficult to share so using this feature take the shot of that photo and share them easly 

okey these are the steps to take sreen shot of iphone

press the home button and lock button (power button ) at the same .
then quickly remove the finger from the two buttons.

when you press the two button iphone screen become flash for a second
so if this happen you can prove that photo has been taken....

Just did mine on my iPad