This is a video on how to fix your iPhone 4's LED Flash if it stopped working. People have messaged me asking me how to fix it, so I'll tell them in song...erm...video. Other things you could do is the following:
Last choice it to visit the Apple Store Genius Bar.
- 1. Soft Restart - Hold down power button then "slide to power off"
- 2. Hard Restart - Hold down both power and home buttons until the Apple logo shows up, then let go.
- 3. Restore - Connect to iTunes and Restore your iPhone to factory settings.