You can quickly turn on the flashlight on your iPhone by using Siri or the Control Center, and adjust its brightness through the latter.
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How to Turn On Camera Flash on iPhone
You can enable the flash on your iPhone while taking photos by opening the Camera app, tapping the Flash icon in the top-left ...
You can put LED flash notifications on your iPhone in a few simple steps, which can be helpful for people who are deaf or hard of hearing.
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