The flash notification setting lets your iPhone's camera flash blink when you get a call, text, or alert

Flash notifications use your phone's rear camera light as a visual alert instead of sound or vibration. When this setting is on, your iPhone will flash its light in a pattern when you receive a notification — even if your phone is face-down or locked. This is useful if you are in a loud environment, need silent alerts, or have hearing difficulties.

The setting lives in your Accessibility menu, not in the main Notifications section. That is why many people miss it — Apple groups it with other sensory accommodation features rather than with notification controls.

Key Takeaways

  • Flash notifications are found in Settings > Accessibility > Audio/Visual, not in the Notifications menu.
  • Once you turn on LED Flash for Alerts, your camera light will flash for incoming calls, texts, and other notifications.
  • The flash works whether your phone is locked, asleep, or face-down, but not when you are actively using the phone.
  • You can turn flash notifications on or off without affecting your sound or vibration settings.

Step-by-step: turning on flash notifications

Open the Settings app on your home screen. Tap Accessibility, which is usually in the middle of the list. Then tap Audio/Visual.

You will see a toggle labeled LED Flash for Alerts. Tap it to turn it on — the toggle will turn green. That is all you need to do. Your iPhone will now flash its rear camera light when you receive a notification.

If you want to test it, ask someone to text you or call you from another phone. You should see a brief flash of light from the back of your device. The flash pattern varies slightly depending on whether the notification is a call, text, or other alert.

What notifications trigger the flash

The flash activates for incoming calls, text messages, and any app that sends you a notification. This includes messages from Mail, Reminders, Calendar, and third-party apps like messaging or social media platforms.

The flash does not set up for notifications that arrive while you are actively using your phone and looking at the screen. It only flashes when your phone is locked, asleep, or you are not interacting with it. This prevents the flash from going off constantly while you are reading messages or browsing.

Combining flash alerts with other notification settings

Flash notifications work alongside your existing sound and vibration settings, not instead of them. You can have flash, sound, and vibration all on at the same time, or use flash as your only alert method.

To use flash as your only alert, go to Settings > Sounds & Haptics and turn off the notification sounds you do not want. You can also turn off vibration in the same menu. Your flash will continue to work independently. This setup is common for people who work in quiet environments or need to stay aware of notifications without disturbing others.

Why the flash might not be working

If you turned on LED Flash for Alerts but your camera light is not flashing, check whether notifications are actually reaching your phone. Go to Settings > Notifications and make sure the apps you expect to hear from have notifications turned on. A notification cannot trigger a flash if it is blocked at the app level.

Also check that your phone is actually locked or asleep when the notification arrives. The flash only works when you are not actively using the device. If you are looking at your screen, the flash will not set up even though the notification is coming through. On older iPhone models (iPhone 6s and earlier), this feature may not be available or may work differently. If you cannot find LED Flash for Alerts in your Accessibility menu, your phone model may not support it.

Turning flash notifications off

To turn off flash notifications, go back to Settings > Accessibility > Audio/Visual and tap the LED Flash for Alerts toggle to turn it off. The toggle will turn gray. Your camera light will no longer flash for notifications, but your sound and vibration settings will remain unchanged.

You can turn this setting on and off as many times as you need. Some people use flash notifications only during work hours or in specific situations, then disable it when they want to use their phone normally.

Frequently Asked Questions

Will the flash drain my battery faster?

The camera flash uses a small amount of power, but the impact on battery life is minimal. You will not notice a significant difference in how long your phone lasts between a charge. The flash is only active for a second or two per notification.

Can I make the flash brighter or change how fast it blinks?

No. iPhone does not offer controls to adjust the brightness or speed of the flash. The flash pattern is set by Apple and works the same way for all users. You can only turn it on or off.

Does the flash work if my phone is in Do Not Disturb mode?

The flash respects Do Not Disturb settings. If Do Not Disturb is on and a contact is not in your Favorites or Recents, the flash will not set up for their call or message. If the contact is allowed through, the flash will still work.

Can I set the flash to work for only certain apps?

No. The LED Flash for Alerts setting is global — it applies to all notifications on your phone. You cannot turn it on for texts but off for emails, for example. You can only control which apps send notifications at all through the Notifications menu.