How do I turn flash "on" instead of "auto" on iPhone camera in iOS14?
You can swipe up from the bottom of the photo/video preview to bring up additional options, including the ability to set flash to &quot;on&quot;. You can then swipe down to hide the options.
When taking a photo (as opposed to a video), you also have the option of using the arrow at the top of the screen to toggle the options.