LG Optimus F3 Manual Del Usuario página 5

Turn Your Device On
1. Press (Power/Lock Button) to turn the device on.
Turn Your Device Off
1. Press and hold for two seconds until you see the Phone Options menu.
2. Press Power off and then tap Yes to power off the device.
+ Your screen remains blank while your phone is off (unless the battery is charging).
LG720_Boost_Device Guide_V1.0_140212.indd 5 14. 02. 12 2:33