Do any of the following:


If needed, adjust settings such as flash or photo size.
Frame your subject:
To zoom, pinch in or out.
To set focus location, tap the screen then drag the focus ring.

To take the photo, do one of the following:





To review your photos and videos, tap thumbnail at bottom right. Then:





To take the photo, do one of the following:





Keep the subject of your photo in focus and blur the surrounding scene as little or much as you want.
Move the slider to increase or decrease blur around the subject.
Tap 


You can also:
If you're having issues, try these troubleshooting steps.