User's Manual

Troubleshooting
Before you assume that the product is malfunctioning, check the following:
Trouble Detail
Battery usage time
is short.
•
Make sure you do not often use the product in
places where
(out of service area) is displayed.
(▶P. 17)
•
Make sure the internal battery does not approach
the end of its service life. Check the battery status.
(▶P. 12)
•
Is the internal battery charged enough? (▶P. 12)
•
Suspend the functions not being used. (▶P. 18)
Cannot make calls.
•
Is an au Nano IC Card 04 inserted? (▶P. 8)
•
Make sure “Airplane mode” is not set. (▶P. 19)
•
Is the power turned on? (▶P. 14)
Cannot receive calls.
•
Is reception good enough? (▶
P. 17)
•
Is the product within the service area? (▶P. 17)
•
Make sure “Airplane mode” is not set. (▶P. 19)
•
Is the power turned on? (▶P. 14)
•
Is an au Nano IC Card 04 inserted? (▶P. 8)
Cannot hear the
other party.
•
Make sure you are not covering the earpiece with
your ear.
Place the earpiece over your earhole.
Cannot recognize a
microSD memory
card/
Cannot find
target data.
•
Is a microSD memory car
d inserted properly?
(▶P. 11)
•
Make sure data is not saved on the internal
memory. Data can be saved on the internal
memory besides a microSD memory card.
Cannot operate the
keys/touch panel.
•
Turn off the power and then turn it on.
•
Is the power turned on? (▶P. 14)
Cannot charge the
battery.
•
Is the power plug of the specified charger (sold
separate
ly) securely plugged into an outlet or a
cigarette lighter socket? (▶
P. 12)
Cannot turn on the
power.
•
Is the internal battery charged? (▶P. 12)
•
Did you hold
f
down? (▶P. 14)
Cannot operate/The
screen does not
respond/Cannot turn
off the power.
•
You can force the power off by holding down
f
for at least 8 seconds and releasing your finger
after the product vibrates. Turn the product on
again after
a while. (▶P. 14)
Cannot operate the
touch panel as
intended.
•
Make sure you ar
e not operating with hands
wearing gloves etc.
•
Make sure you are not operating with the tip of a
fingernail or with foreign object between the screen
and your fingers.
•
Restart the product. (▶P. 14)
Screen response is
slow when you tap
on the screen/press
the keys.
•
Screen response may be slowed down when a
large amount
of data is stored in the product or
being transmitted between the internal memor
y
and a microSD memory card.
An error of the au IC
card (UIM) or a
message indicating
that the card is not
inserted is
displayed.
•
Is an au Nano IC Card 04 inserted? (▶P. 8)
The power is turned
off automatically.
•
Make sure the battery has not run out. (▶P. 12)
The power is turned
off while the
wake-up logo is
displayed.
•
Make sure the battery has not run out. (
▶P. 12)
(out of service
area icon) is
displayed.
•
Is reception good enough? (▶P. 17)
•
Is the product within the service area? (▶P. 17)
•
Is your hand off the area around the internal
antenna? (▶P. 7)
•
Is an au Nano IC Card 04 inserted? (▶P. 8)
The display or
charging/incoming
indicator illuminates/
flashes, but the
ringtone does not
ring.
•
Make sure the manner mode is not set. (▶P. 19)
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