In just a few taps, you can set the LED flash for the iPhone’s rear-facing camera to blink anytime a call comes in, whenever a text pops into your message inbox, or for any other iPhone event that would normally set off an alert tone or vibration.
It’s a handy feature for iPhone users (particularly hard-of-hearing ones) who can’t rely on audio alerts to screen notifications; keep in mind, though, that you will (of course) have to lay your iPhone face-down to see the camera flash blinking.
Also, you can’t set the camera LED to flash for specific alerts. Instead, it’s an all-or-nothing deal.
Here’s how to do it:
- Go to the iPhone home screen, then tap Settings, General, Accessibility.
- Scroll down until you see the “LED Flash for Alerts” setting, then flick the switch to “On.”
- Test it by asking a friend to call your iPhone—and when they do, the flash on the rear iPhone camera will start blinking in time to the ringer.
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Note: This updated and revised tip was first published in March 2012.