LG OPTIMUS F3Q D520 AIRPLANE MODE
Airplane mode allows you to quickly turn off all wireless connections.
With the screen on, press and hold the Power/Lock key.
Tap Turn on Airplane mode.
An airplane icon will display on your status bar.
You will not receive SMS, MMS, calls or other network dependent services using Airplane mode.
Note: Alternatively you can enable or disable Airplane mode from the quick settings menu at the top of the notification panel or from the Home screen, tap Apps > Settings > and turn on the Airplane mode switch