This article explains three ways to turn off the flashlight on iPhone 14. I'll also show you two ways to prevent the flashlight from turning on accidentally.
How to Turn Off Flashlight on iPhone 14 Series Device – Plus / Pro / Pro Max
Perhaps the easiest way to turn the iPhone 14 flashlight off (or on) is to use the lock screen shortcut. Here’s what you need to do:
Wake your iPhone by lifting it up or tapping the screen, but don't unlock it.
When your flashlight is on, the flashlight icon will be highlighted in white.