Home and Android basics 21 AUG-3.0-100 Android User’s Guide Waking the tablet If you don’t use the tablet for a while, the screen dims and then darkens, to conserve the battery. 1 Press the Power button. The lock screen opens (unless you’ve turned it off; see “Securing your tablet” on page 29). 2 Touch & hold the lock icon and when it turns into a circle, drag it to the edge of the larger circle that surrounds it. Or if you’ve secured the lock screen, enter a pattern, PIN, or password. See “Securing your tablet” on page 29. The last screen you were viewing opens.