Sets the camera to capture missing moments by taking five sequential
pictures before the Capture icon 
is tapped.
Open the Camera app.
Tap the Shot Mode icon
> Time
catch shot.Tap the Capture icon
to take
a picture.To view the moments just before the picture was taken, tap the image thumbnail at the bottom of the Camera screen.
Select the pictures that you want to keep, then tap the Save at the top of the screen.