How to Turn On iPhone Flash for Selfies

Taking a selfie in low light often results in a dark, grainy photo. The iPhone’s front camera doesn’t have a physical flash, but it uses the screen as a flash, briefly brightening the display to illuminate your face. This guide shows you how to enable and use that flash for the Camera app, plus a quick trick for other apps.

What You’ll Need

An iPhone running iOS 12 or later (the steps are similar on older versions).
The built-in Camera app (the flash toggle is not available in all third-party camera apps).

Step-by-Step

Open the Camera app. Tap the Camera icon on your Home Screen or lock screen.
Switch to the front camera. Tap the camera flip button (two arrows forming a circle) in the bottom-right corner (or bottom-center on some models). The viewfinder should now show you.
Locate the flash button. Look in the top-left corner of the screen (top-center on iPhones with Face ID). It looks like a lightning bolt inside a circle.
Tap the flash button. A small menu will appear with three options: Off, On, and Auto.
Choose On or Auto.
- On: The flash will always fire when you take a selfie, regardless of lighting.
- Auto: The iPhone decides whether to use the flash based on ambient light. This is a good default for most situations.
Take your selfie. Frame your shot and tap the shutter button. When the flash is active, the screen will flash bright white just before the photo is captured.

Common Mistakes

Leaving flash on in bright light: This can cause overexposure and wash out your features. Use Auto mode to avoid this.
Expecting a real flash: The screen flash is not as powerful as the rear LED flash. It works best in dim indoor lighting, not in complete darkness.
Covering the screen: Your fingers or a phone case can block the screen light. Hold the phone by the edges.
Using a third-party camera app: Many apps don’t have a screen flash option. Use the built-in Camera app for the most reliable results.

Tips

Use the timer: Set a 3-second timer so you can steady the phone and compose your shot before the flash fires.
Adjust exposure: After tapping to focus, swipe up or down on the screen to manually adjust brightness. This can help balance the flash effect.
Clean your screen: A smudged screen can reduce the flash’s effectiveness. Wipe it with a soft cloth.
For other apps (like Snapchat or Instagram): The screen flash is usually controlled by a lightning bolt icon near the shutter button. Tap it to cycle through Off, On, and Auto.

Troubleshooting

The flash button is grayed out or missing: This usually means the camera is in a mode that doesn’t support flash, such as Night mode, or the phone is in low-power mode. Turn off Low Power Mode in Settings > Battery, and switch to a standard photo mode.

The flash doesn’t fire: Check that the flash is set to On (not Auto) and that you are using the front camera. Also, make sure the camera app has permission to use the camera and microphone in Settings > Privacy > Camera.

The photo is still dark: The screen flash has limited range. Move closer to a light source, or try using a mirror to reflect light onto your face.

The flash fires but the photo is overexposed: Lower the exposure by tapping on your face and swiping down, or move to a slightly brighter area.

Frequently Asked Questions

Why doesn’t my iPhone have a front flash?

The front camera is too small to fit a traditional LED flash. Instead, Apple uses the display as a flash, which is why it’s called “Retina Flash” on some models.

Can I use the flash on the front camera in video mode?

No, the screen flash only works for still photos. For video, you can use the screen as a constant light source by swiping up to access the control center and increasing the screen brightness, but it won’t automatically flash.

Does the flash work on all iPhone models?

Yes, every iPhone with a front camera has a screen flash feature, but it was officially named “Retina Flash” starting with the iPhone 6s and later. Older models also have it, but it may be less bright.

How do I turn off the flash permanently?

Tap the flash button and select “Off.” The setting will stay off for the current camera session, but it may reset to Auto when you close and reopen the Camera app.

Does the flash drain the battery?

Yes, using the screen flash uses more battery than taking a photo without it, but the effect is minimal for a few shots.

Can I adjust the brightness of the flash?

No, the flash brightness is fixed. However, you can adjust the exposure compensation by tapping on your face and swiping up or down to make the image brighter or darker.

General steps for current mainstream versions; menus can differ by device and version. See the disclaimer or report an error.

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