LG Optimus L9 Benutzerhandbuch Seite 137

Getting to know your phone
NOTE: Make sure the battery is installed before connecting the wall charger.
If the battery is not installed and the wall charger is connected, the phone
will not operate properly due to prolonged power cycling. Also, removing
the battery with the wall charger connected may damage the device. Please
unplug wall charger before removing battery.
Warning! If the touch screen does not function while the phone's in the
process of charging, this may be due to an unstable power supply. As a
result, disconnect the USB cable from the device or unplug the USB power
adapter from the power outlet.
1 Connect the cables wall adapter and USB cable.
2
Plug the USB cable (as shown below) into the phone's Charger/Accessory Port.
Make sure the USB symbol on the charging cable is facing upwards.
NOTE: The battery must be fully charged initially to improve battery lifetime.
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