With the addition of the LED flash in Apple’s iPhone 4 and 4S, you can now allow the flash to act as a notification alert. For instance, if your iPhone is sitting on the table facedown and the ringer is on silent, you will see a quick flash of the LED light to grab your attention. Pretty cool, huh? For those of you that used to have Blackberry’s way back in the day, you might recall one of the better features was the versatility of the LED flash indicator. Now, the iPhone has it too. Read on to learn how to set this up within seconds!