This tutorial requires you open the Camera app. To access the camera from the home screen, select the  Camera app. To access the Camera app from the lock screen select and drag the  Camera icon up.
Select the Switch camera icon.
Note:Â You cannot switch the camera while you are recording a video.
Select the desired area of the photo you wish to focus on. A circle will appear when the area is selected.
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Select the Capture icon.
Note: Alternately, you can take a picture by pressing one of the Volume buttons.Â