Here's info on common camera settings (e.g., flash, timer, front / rear camera, etc.) for your iPhone.
Open the
Camera app
on your Apple
® iPhone
®.
Do any of the following:
Options presented may vary depending on iPhone model and iOS version.
Tap the
Flash icon

in the upper-left corner of the screen to turn on or off.
Tap the
Live Photos icon

to turn on or off.
Tap the
Menu dropdown icon

to access additional camera options
Tap the
Timer icon

then select an option (e.g., Off, 3s, 10s).
Tap the
Filters icon

then select an option (e.g., Original, Vivid, etc.).
To switch to the front-facing camera, tap the
Front-facing Camera icon

.
To switch to a different mode, swipe the
modes menu
then choose any of the following:
Time Lapse
Slo-Mo (slow motion)
Video
Photo
Portrait
Pano (panoramic)
For additional info on camera settings, refer to the Camera section of the
iPhone user guide.