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.
What does the pad lock icon with the arrow on my iPhone mean? What does the pad lock icon with the arrow on my iPhone mean? If you're seeing an icon of a padlock surrounded by an arrow in your iPhone's icon bar, it means that your iPhone has rotation lock enabled. Rotation lock allows your iPhone to be locked or frozen in portrait mode. In other words, turning your iPhone horizontal won't cause the screen to rotate into landscape mode.