LG Spirit 4G MS870 Owner's Manual page 17

Side View
Power/
Lock Key
14. Power/Lock Key
to open the Phone options menu for the following options: Power off,
Power off and restart, and Turn on/off Airplane mode. You can also
change the ringer type from this menu.
15. Volume Keys
in-call volume during a call.
16. Accessory/Charger Port
cable, or other compatible accessories.
Locks the screen with a single press. Press and hold
Allow you to adjust the ringer, media volumes, or the
Allows you to connect the phone charger, USB
The Basics
Volume Keys
Accessory/
Charger Port
15