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 Proximity sensor â This sensor can determine how close the iPhone is to your face. 2  This sensor is what helps the iPhone turn off its screen automatically whenever you hold the phone up to your ear for a phone call.3  This is necessary to prevent accidental button clicks by the side of your head when talking. Motion sensor/accelerometer â This sensor enables the iPod touch, iPad, or iPhoneâs screen to automatically switch from landscape to portrait modes and back again based on whether youâre holding the phone up and down or sideways. 2  This sensor is also present in the iPad.