Use Case Scenario of the Plus Key Cool phone tip I just learned You can keep your phone on silent and still hear calls or texts from specific people like family, close friends, or co commanders . Here's I forgot all about this thing. It's still the ringer button to me. I do like the design better than the old one since it can't collect debris overtime : r iphone How to mute your iPhone if the silent switch is not working iPhone 3G Ring Silent Vibrate Toggle Switch White Apple's Replacing a Button iPhones Have Had Since the First Model Business Insider