Do any of the following:
If needed, adjust settings such as flash or photo size.
Frame your subject:
To set focus location, touch the viewfinder then drag the focus ring.
To change the exposure, slide the control on the focus ring to lighten or darken the shot. To lock your settings for the session, touch & hold the focus ring.

To take the photo, do one of the following:
To review your photos and videos, touch the thumbnail at the bottom right. Then:
To take the photo, do one of the following:
You can also:
If you’re having problems, try these troubleshooting steps.