From the home screen, tap Camera.
If prompted by the iPhone to allow use of your current location, tap the preferred option, (e.g. OK).
To zoom in or out, place two fingers on the screen.
Slide your fingers away from each other to zoom in.
Slide your fingers toward each other to zoom out.
Tap the Flash icon to change the flash setting.
Tap the rotating camera icon to switch between the front and back camera.
Tap the Camera icon to take a picture.
The picture will be saved automatically.