
Appendix
Symptoms
What you should check
Page
"
" (out of
service area)
appears
Is the product out of the service
area or in an area where the
signal is weak?
P. 79
Is the built-in antenna covered
with finger etc.?
P. 40
Is the correct au IC Card
inserted?
P. 43
Cannot send/
receive e-mail/
SMS
Is "Airplane mode" set?
P. 80
Are contacts restricted for calling
or mailing?
P. 61
Cannot
connect by
Wi-Fi
®
Is there an adequate Wi-Fi
®
signal?
P. 79
Has Wi-Fi
®
been set?
P. 86
Is the product or battery warm?
Functionality is sometimes
stopped by the temperature.
-
Is "Airplane mode" set?
P. 80
Wi-Fi
®
becomes set off even
when Eco Mode is set.
P. 86
Are Wi-Fi
®
access points
restricted?
P. 62
The display/
incoming light
lights/blinks
but there is no
ringtone
Is Silent mode set?
P. 81
Symptoms
What you should check
Page
Cannot
operate
button/touch
panel
Is the power turned on?
P. 50
Turn the power completely off
and turn it on again.
P. 50
Is usage time restricted?
P. 60
Touch panel
does not
operate as
intended
Check how to correctly operate
the touch panel.
P. 72
Turn the power completely off
and turn it on again.
P. 50
"
" appears
Is the correct au IC Card
inserted?
P. 43
A message
such as
charge the
battery
appears
The battery is almost dead.
P. 48
Battery usage
time is short
Is the product fully charged?
•
Charge the product until the
red charging light goes off.
P. 48
Is the internal battery end-of-life?
P. 24
Is the product left in the place for
a long period where "
" (out of
service area) appears?
P. 79
After dialing,
receiver
beeps and
call does not
connect
Are you outside the service area
or where signal is weak?
P. 79
The line is extremely busy or the
other party is in a call; dial again.
-
94