How To Turn On Flashlight On IPhone 15: A Step-by-Step Guide

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Edgar Nicov

How-To

5 min. read

Published on November 6, 2025

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The iPhone 15 boasts a range of impressive features, and one of the most practical is its built-in flashlight. Whether you’re navigating a dark room, searching for something in a dimly lit space, or need a signal in an emergency, knowing how to quickly activate the flashlight is essential. This guide provides a comprehensive, step-by-step walkthrough on how to turn on the flashlight on your iPhone 15, ensuring you’re never left in the dark.

This article covers all the methods available to activate the flashlight, from the Control Center to Siri voice commands, and even using the Back Tap feature. We’ll also explore troubleshooting tips and answer frequently asked questions to help you master this handy tool on your iPhone 15.

How Do I Turn On the Flashlight on My iPhone 15?

Using the Control Center

The Control Center offers the quickest and most convenient way to access the flashlight on your iPhone 15.

Open the Control Center: Swipe down from the top-right corner of your iPhone 15 screen.
Locate the Flashlight Icon: Look for the flashlight icon (it resembles a small lightbulb).
Tap the Flashlight Icon: Tap the icon to turn the flashlight on. The icon will illuminate when the flashlight is active.
Turn Off the Flashlight: Tap the flashlight icon again to turn it off.

Using Siri

Siri, your virtual assistant, can also activate the flashlight with a simple voice command.

Activate Siri: Say “Hey Siri” or press and hold the side button on your iPhone 15.
Give the Command: Say “Turn on the flashlight.”
Siri Will Respond: Siri will confirm that the flashlight is on.
Turn Off the Flashlight: To turn it off, say “Hey Siri, turn off the flashlight.”

Using Back Tap

The Back Tap feature allows you to turn the flashlight on or off by double or triple tapping the back of your iPhone 15.

Open Settings: Go to the Settings app on your iPhone 15.
Tap Accessibility: Scroll down and tap on “Accessibility.”
Tap Touch: Select “Touch.”
Tap Back Tap: Scroll to the bottom and tap “Back Tap.”
Choose Double Tap or Triple Tap: Select either “Double Tap” or “Triple Tap” based on your preference.
Select Flashlight: Choose “Flashlight” from the list of options.
Test the Feature: Now, double or triple tap the back of your iPhone 15 to turn the flashlight on or off.

Adjusting Flashlight Brightness

The brightness of the flashlight can be adjusted directly from the Control Center.

Open the Control Center: Swipe down from the top-right corner of your iPhone 15 screen.
Long Press the Flashlight Icon: Instead of tapping, long press (press and hold) the flashlight icon.
Adjust the Brightness: A slider will appear, allowing you to adjust the brightness level. Slide up to increase the brightness and down to decrease it.

Tips

If the flashlight doesn’t turn on, make sure your battery isn’t critically low. The iPhone may disable certain features to conserve power.
If the flashlight icon is greyed out in the Control Center, it might be in use by another app, such as the camera. Close the app and try again.
Customize your Control Center in Settings > Control Center to ensure the flashlight icon is easily accessible.

Flashlight Control Comparison

Feature	Control Center	Siri	Back Tap
Activation	Tap Icon	Voice Command	Tap Back
Deactivation	Tap Icon	Voice Command	Tap Back
Customization	Brightness	None	Tap Pattern
Ease of Access	High	Medium	Medium
Hands-Free	No	Yes	No

Illuminating Your Way Forward

Turning on the flashlight on your iPhone 15 is a simple yet incredibly useful function. With multiple ways to activate it, you can choose the method that best suits your needs and preferences.

FAQ

How do I make the flashlight brighter on my iPhone 15? You can adjust the brightness of the flashlight by long-pressing the flashlight icon in the Control Center and using the slider that appears.

Why is my flashlight icon greyed out on my iPhone? The flashlight icon might be greyed out if the camera is currently in use or if your iPhone is overheating.

Can I use the flashlight while recording video on my iPhone 15? Yes, you can use the flashlight while recording video, but it may affect the video quality and battery life.

How do I turn off the flashlight if it’s stuck on? Try restarting your iPhone. If that doesn’t work, check if any apps are using the camera or flashlight function and close them.

Is there a way to make the flashlight blink on my iPhone? While there’s no built-in feature for blinking, some third-party apps can control the flashlight and make it blink for signaling purposes.