LG GT400 User Manual page 238

Installing the USIM and battery
4 Install the battery
Insert the top of the
battery first into the
top edge of the battery
compartment. Ensure that
the battery contacts align
with the terminals on the
phone. Press down the
bottom of the battery until
it clips into place.
10
5 Charging your phone
Slide back the cover of
the charger socket on the
side of your GT400. Insert
the charger and plug into
a mains electricity socket.
Your GT400 will need to be
charged until a message
reading "Battery full"
appears on screen.