Set your phone or tablet display screen off - screen sleep - screen timeout setting down to the second with Exactitude. Exactitude lets you set your phone or tablet display screen off - screen sleep - screen timeout setting to anything from 00:01 to 99:59. The ALWAYS ON button will set your phone or tablet display to stay on always. Please note that your Screen Lock timer, if set, will override Always On. The SCREEN OFF NOW button and SCREEN OFF shortcut will turn your screen off immediately. Turn your display screen off without using your phone off button.