Appendix
62
Symptom
What you should check
Page
Cannot make
calls
Is the power turned on?
P. 18
Is your au Nano IC Card 04
inserted?
P. 11
Is the phone number correct? (Do
you enter the number from a city
code?)
P. 26
Do you tap "Call" after a phone
number is entered?
P. 26
Cannot receive
calls
Is signal strong enough?
P. 24
Is the product out of the service
area?
P. 24
Is the power turned on?
P. 18
Is your au Nano IC Card 04
inserted?
P. 10
"
" (out of service
area) appears
Is the product out of the service
area or in an area where the signal
is weak?
P. 24
Is the built-in antenna covered
with finger etc.?
P. 9
Is an IC card other than au Nano
IC Card 04 inserated?
P. 10
Cannot operate
key/touch panel
Is the power turned on?
P. 18
Turn off the power and then turn it
on again.
P. 18
" " appears
Is your au Nano IC Card 04
inserted?
P. 11
A message such
as charge the
battery appears
The battery is almost dead.
P. 14
Symptom
What you should check
Page
Battery usage
time is short
Is the product fully charged?
• Charge the product until the red
charging light goes off.
P. 14
Is the internal battery end-of-life?
P. 39
Is the product left in the place for
a long period where " " (out of
service area) appears?
P. 24
End/Stop the apps or functions
which are not used.
−
Cannot connect
to the party and
the phone beeps
even though a
call is made
Is the product out of the service
area or in an area where the signal
is weak?
P. 24
The line is extremely busy or the
party is calling. Retry later.
−
The display is
dark
Is the temperature of the product
or battery pack high? The display
may become dark depending on
the temperature of the product.
−
Cannot hear/Hard
to hear the other
party
Place your ear hole to the receiver.
P. 8
P. 9
Cannot use a
microphone
of earphone
microphone
Is the connector inserted
correctly? Insert it to the earphone
microphone terminal all the way.
P. 61
Settings made
for specified
contacts do not
work
Is the caller ID notified? If the
caller does not notify the caller ID,
ringtone setting in Contacts is not
effective. Group ringtone settings
in Contacts is not effective, either.
−