LG Chocolate Manual page 82

When showing
symptoms like:
When it echoes while
connection is made with a
certain telephone in a certain
area.
When the phone is heated.
When the Ringer does not
ring, or when Backlight or
LCD blinks only.
Standby duration for battery
gradually becomes shorter.
When usage time of battery
becomes shorter.
Check this!
Called "Echo Phenomenon," it occurs if connection
volume is too high or caused by special
properties(semielectronic telephone exchange) of
the machine on the other end.
If connection is made for a significantly long
duration, or game and Internet and others are used
for a long time, the phone may become hot. This
has no effect upon the life of the product or
performance.
Ringer Type may be set as "Silent" or "Light".
Please select "Ring".
Because battery wear out, its life gradually becomes
shorter. If its life becomes shorter over half of that
at the time of purchase, you must purchase a new
one.
If time for use of battery is short, it may be due to
the user environment, or large volume of calls, or
weak signals.
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