85
Appendix
Trouble
Detail
Page
Cannot make
calls
Is the power turned on?
P. 69
Is the au IC card inserted?
P. 61
Was the number entered
correctly?
(Was the area code entered?)
P. 81
Did you tap " " after entering
the number?
P. 81
Is "Airplane mode" still set?
P. 76
Cannot receive
calls
Is the signal strong enough?
P. 74
Is the product within the
service area?
P. 74
Is the power turned on?
P. 69
Is the au IC card inserted?
P. 61
Is "Incoming Reject" still set?
-
Is "Airplane mode" still set?
P. 76
Is "Call forwarding services"
still set?
-
" " (out of
service area)
appears
Is the product within the
service area or where signal
is good enough?
P. 74
Is the built-in antenna
covered with finger, etc.?
P. 52
Is a card inserted other than
the au IC card?
P. 60
Trouble
Detail
Page
Cannot connect
to Wi-Fi
®
Is Wi-Fi
®
signal strong
enough?
P. 74
Is Wi-Fi
®
setting completed?
-
Is the product or the battery
at a high temperature?
The product may stop
functioning if at a high/low
temperature.
-
Is "Airplane mode" still set?
P. 76
Display/
incoming light
turns on but
ringtone does
not sound
Is the "Ring volume" set to
the minimum?
-
Is "Silent mode" set?
P. 75
Cannot operate
the buttons or
touch panel
Is the power turned on?
P. 69
Is the security setting for the
start screen set?
-
Turn off the power and then
turn it on again.
P. 69
Cannot operate
the touch panel
as intended
Check for the correct
operation of the touch panel.
-
Turn off the power and then
turn it on again.
P. 69
A message
indicating that
charging
is necessary is
displayed
The battery is almost empty.
P. 64