Previous work by the same group indicates that high - risk people are often missed from active screening. (sciencedaily.com)
There are three ways — drag the camera icon on lock screen, or tap and hold the camera shutter button for a second on active screen, or directly open the camera app from the icon tray in the bottom. (phoneradar.com)
active screen corners have been a nice surprise which i use everyday. (slaw.ca)