LG LGVS870 - Manual (Page 17)

15 The Basics
the switch at the top of the screen from off to on.
㻌  You can set the phone to activate Power saver mode immediately,
when the charge drops to 10%, 20%, 30%, or 50%. If you turn off
Power saver mode, when the battery charge becomes low, a
notification prompts you to turn it on.
㻌  You can also modify settings that affect battery life from the Power
saver screen: auto-sync, Wi-Fi, Bluetooth, vibrate touch, brightness,
screen timeout, front touch key light, and notification flash.
Turning the Phone On and Off
Turning the phone on
㻌  Press and hold the Power/Lock Key for a couple of seconds until
the screen turns on.
Turning the phone off
1. Press and hold the Power/Lock Key until the Phone options menu
appears.
2. Touch Power off in the Phone options menu.
3. Touch OK to confirm that you want to turn off the phone.
To unlock the phone
If you don’t use the phone for a while, the screen and
backlight will turn off to conserve battery power. To
unlock the phone:
1. Press the Power/Lock Key .
The default Lock screen will appear.
2. Swipe in any direction to unlock it.
The last screen you were working on opens.
NOTE The default Lock screen simply locks the screen to prevent
unintentional actions. For more security to guard against
unauthorized use, you can set an unlock requirement (such as
a pattern, PIN, password, or face recognition) that will need to
be entered to unlock it.