How to make your iPhone flash when you get a text

Your iPhone can alert you to text messages and calls in a rather clever way — by making the LED flash go off.  If you're in a scenario when your phone to be set to silent, or you're just trying to practice good phone etiquette, this is an ideal way to visually see when a message comes through — without any noise.  Change your Settings First, head to your iPhone's "Settings" menu, then scroll down to select the "General" option.  Image: mashable screenshot From the "Gen