What the notification flash does and how to disable it
The notification flash is the bright light on the back of your iPhone that blinks when you get a text, call, or other alert. It's the same LED that used to flash on older phones. Apple calls this feature "LED Flash for Alerts," and it's turned on by default for people who have it enabled in accessibility settings.
To turn it off, you go to Settings, then Accessibility, then Audio/Visual, then toggle off "LED Flash for Alerts." The light will stop flashing when ready. This setting exists because some people find the flash useful in noisy environments or when they can't hear their phone, but others find it distracting or unnecessary.
The steps differ slightly depending on which iPhone model you have, but the path through Settings is the same on all current iPhones.
Key Takeaways
- The notification flash is a bright light on the back of your iPhone that blinks when you receive alerts, and it's controlled through the Accessibility settings.
- You can turn it off by opening Settings, going to Accessibility, selecting Audio/Visual, and toggling off "LED Flash for Alerts."
- The flash works for calls, texts, and other notifications, but disabling it does not affect your sound or vibration alerts.
- If you turn it off and later want it back on, you can re-enable it using the same path through Settings.
Step-by-step: Turning off the LED flash
Open the Settings app on your home screen. It's the gray icon with gears on it. Tap it once.
Scroll down and tap "Accessibility." This is where iPhone keeps settings for people who need different ways to interact with their phone. You'll see it listed in the middle section of the Settings menu.
Tap "Audio/Visual." This section controls how your phone alerts you through sound, vibration, and light. On some older iPhones, this might be labeled "Hearing" instead, but the setting is in the same place.
Look for the toggle next to "LED Flash for Alerts." If it's green and switched to the right, the flash is on. Tap the toggle once to turn it off. It will turn gray and switch to the left. You're done — the flash will stop blinking on your next notification.
Why the flash exists and who uses it
The notification flash was designed for people in loud environments — a concert, a factory, a crowded restaurant — where they won't hear a notification sound. The bright light on the back of the phone is visible even when the screen is off, so you know something came in without checking your phone.
It's also useful for people who are deaf or hard of hearing and rely on visual alerts instead of sound. For them, the flash is a critical way to know their phone needs attention. That's why it lives in the Accessibility section rather than in general notification settings.
If you don't need the flash and find it annoying or distracting, turning it off is the right move. It doesn't affect your ability to get notifications any other way — your phone will still vibrate and play a sound if those are turned on.
What happens to your other alerts when you turn off the flash
Turning off the LED flash does not change your sound or vibration settings. If you have vibration turned on, your phone will still vibrate when you get a notification. If you have a notification sound turned on, it will still play. The flash is a separate alert method, so disabling it only removes that one type of notification.
You can have any combination of these three alert types active at the same time: sound, vibration, and flash. Many people keep sound and vibration on but turn off the flash because it's less noticeable and less likely to bother people around them.
How to turn the flash back on if you change your mind
If you turn off the LED flash and later decide you want it back, the process is identical. Go to Settings, then Accessibility, then Audio/Visual, and toggle "LED Flash for Alerts" back on. It will turn green and switch to the right, and the flash will work again on your next notification.
There's no penalty for turning it on and off as many times as you want. Some people turn it on only when they're in a situation where they need it — at a loud event, for example — and turn it off the rest of the time.
Troubleshooting: The flash still works even though I turned it off
If you've turned off the LED flash but your phone is still flashing, the most common reason is that you're looking at the wrong setting. Double-check that you're in Settings > Accessibility > Audio/Visual and that the toggle next to "LED Flash for Alerts" is actually off (gray, switched left).
Another possibility is that your phone is in a mode that overrides accessibility settings. If you have Do Not Disturb or Focus modes turned on, check whether they have their own notification settings. Some Focus modes can be set to allow only certain types of alerts, and they may bypass the LED flash setting.
If neither of those is the issue, restart your phone. Sometimes settings don't take effect until you power off and back on. Hold the power button until you see "slide to power off," slide it, wait a few seconds, then hold the power button again until you see the Apple logo.
Frequently Asked Questions
Does turning off the LED flash affect emergency calls or alerts?
No. Emergency alerts and calls work the same way whether the LED flash is on or off. The flash is just one notification method among several. Your phone will still ring, vibrate, and show alerts on your screen regardless of the LED flash setting.
Can I turn off the flash for some apps but not others?
No. The LED flash setting is global — it either works for all notifications or none. You cannot turn it off for texts but keep it on for calls, for example. If you need that level of control, you would need to turn off the flash entirely and manage individual app notifications through each app's own settings.
Will turning off the LED flash save battery?
Slightly, but not enough to notice. The LED flash uses very little power because it only blinks for a few seconds when a notification arrives. Turning it off won't extend your battery life in any meaningful way.
What if my iPhone doesn't have an LED flash?
Older iPhone models and some newer ones don't have an LED on the back. If you don't see "LED Flash for Alerts" in your Accessibility settings, your phone doesn't have the hardware for it. In that case, the setting straightforward won't appear, and there's nothing to turn off.