What is DisplayPort? DisplayPort is a digital display and data transfer interface developed by the Video Electronics Standards Association (VESA) in 2006. Like its contemporary competitors, HDMI and Thunderbolt, it is a composite format capable of carrying video, audio, and data simultaneously.
Locked Home Screen. One meaning of the term locked iPhone refers to an iPhone with a locked home screen. All iPhones have a lock feature that allows a user to lock his home screen when the phone is not in use to prevent him from accidentally activating the touch screen while the phone is in his pocket.
1 Check for in the status bar. 2  If you see this icon, Orientation Lock is on. 3  To turn it off, swipe up from the bottom of the screen to reveal the Control Center and tap. 4  If you have an iPhone 6 Plus, turn off Display Zoom to rotate the Home screen. 5  If you have an iPad with a Side Switch, turn the Side Switch on or off. If you see this icon, Orientation Lock is on. 2  To turn it off, swipe up from the bottom of the screen to reveal the Control Center and tap. 3  If you have an iPhone 6 Plus, turn off Display Zoom to rotate the Home screen.