Camera
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Flash Not Working
Flash does not activate or is too dim
Device Overview
If your iPhone 15 flash isn't working, this guide helps identify software restrictions, overheating, or hardware faults.
The iPhone 15 uses a True Tone flash system integrated with the camera.
Symptoms
- •Flash doesn't fire
- •Flash option greyed out
- •Flash too dim
- •Flash works only sometimes
- •Flash causes app crash
Common Causes
- •Overheating
- •Low battery
- •Flash disabled in settings
- •Software bugs
- •Hardware failure
Quick Fixes
- Restart device
- Charge above 20%
- Disable Low Power Mode
- Cool device
- Toggle flash settings
Advanced Solutions
- Reset all settings
- Reinstall iOS
- Disable camera-affecting accessibility settings
- Remove problematic apps
- Update all apps
Hardware Checks
- •Inspect flash module
- •Test flash in Control Center
- •Check for liquid damage
- •Test in multiple apps
Software Checks
- •Update iOS
- •Review camera settings
- •Disable Focus modes
- •Reset camera configuration
Prevention Tips
- •Avoid overheating
- •Keep lens and flash clean
- •Use high-quality cases
- •Keep iOS updated
FAQs
Q: Why is my flash greyed out?
Device may be too hot or battery too low.
Q: Can software disable flash?
Yes — especially in Low Power Mode.
Q: When is repair needed?
If flash never activates in any app.