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.
0. 0. An arrow with a lock symbol on the home screen of iPhone mean that the iPhone screen had been locked in portrait mode and it can not be switched to Landscape mode until and unless the screen lock is unlocked.To unlock this Padlock, tap the icon and drag your finger till the bottom of the screen. 12% - On my iphone 4 there is an icon to the far right by the battery life icon that looks like a lock with an arrow encircling it.