For additional info on camera settings, refer to the Camera section of the iPhone user guide.
From the Home screen, tap Camera .
Tap the Flash icon in the top-left corner of the screen.
Tap one of the following:
Flash automatically turned on depending upon available light sources.
Tap HDR (located along the top).
HDR stands for High Dynamic Range and blends the best parts of three separate exposures into a single photo.
Automatically turned on depending upon exposure sources.
High Dynamic Range On
High Dynamic Range Off
To switch to the front-facing camera, tap the front-facing camera icon (located in the lower-right).
To switch to a different mode, swipe the modes menu above the 'take picture icon' to the left or right to choose any of the following:
The 'take picture' icon may be look slightly different based on the mode chosen.