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.
Activation Lock is a new feature in iOS 7 that ties your iPhone, iPad or iPod touch with your Apple ID so that if your phone gets stolen, the thief has to know your login credentials to turn off Find My iPhone or erase the phone to factory state.