Acer A1-810 - Manual (Page 22)

Shutting down your tablet 22
in the correct order). Open the Home screen and tap APPS > Settings >
Security > Screen lock.
1. Note: If you forget an unlock pattern, please refer to "Unlock pattern" on
page 46.
Shutting down your tablet
If you won’t use your tablet for an extended period of time, turn it off to save
battery power. To turn off your tablet (even when locked), press and hold the
power button for one second. Tap Power off and confirm the shut down. To
force a shutdown, press and hold the power button for four seconds.