FOX NEWS: Apple's iOS 11.4 software drops days before WWDC: What to know before you update your iPhone

Apple's iOS 11.4 software drops days before WWDC: What to know before you update your iPhone



Apple's iOS 11.4 software update hit iPhones across the world Tuesday — just days before the tech giant is expected to announced iOS 12 at the Worldwide Developers Conference (WWDC) in San Jose, California.