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Symptom
The phone turns on,
• Is the PIN code input screen displayed?
but operation is not
Input the PIN code.
possible.
The screen lock was
• Is the unlock pattern or release code input
released, operation
screen displayed?
is not possible.
Input the appropriate unlock pattern or release
code.
Nothing happens
• Is IS04 in sleep mode?
when I press a button.
Press C or A to cancel sleep mode.
IS04 operation is
• Operation becomes unstable when
slow, application
remaining IS04 memory capacity runs low.
operation is unstable,
If the low memory message appears, delete
or some applications
applications you do not need in order to free
do not start up.
up memory space.
The phone will not
• Was the au IC card facing correctly when
recognize the au IC
you inserted it?
card.
The clock reading is
• The clock reading sometimes becomes
not correct.
incorrect if you leave the IS04 on for a long
time.
After making sure that "Auto" is turned on
for the date and time settings, turn the IS04
off and then back on again in a location
where reception is good.
I can't place calls.
• Is the au IC card installed in the IS04
correctly?
• Are you entering the number with its area
code?
• Is the IS04 in airplane mode?
The ringtone does
• Is the ringer volume set to "0"?
not sound.
• Is the IS04 in manner mode?
• Is forward all selected as the call forwarding
service?
What you should check
Symptom
I can't use the phone.
• Turn the IS04 off and then back on again or
(Out of service area
remove and reload the au IC card.
does not disappear
• Depending on signal properties, placing or
from the display
receiving calls may not be available even
even though I
though signals are strong and four antenna
move to a different
marks are shown （
location, cannot
location and try again.
make or receive calls
• In crowded places, heavy telephone/
even though signal
mail traffic can make it difficult to get a
conditions are not
connection or use mail. In such locations,
bad.)
the message "Please wait for a while" will
be displayed and you will get a busy signal.
Change to another location or wait for a
while and then try again.
The display is dark.
• Check the backlight "Brightness" setting.
• Is it set to eco mode?
During a call, the
• Did you change the call volume?
other party's voice is
hard to hear or too
loud.
The new mail
• Are the PC mail and Gmail "Email notifications"
notification icon
settings turned off?
does not appear on
• Is the C-mail "Notifications" setting turned
the display.
off?
The still pictures and
• Is the camera lens clouded or dirty?
movies I shoot with
• When shooting people, select "Face" as the
the camera are out
focus mode setting.
of focus.
• Shoot with "Anti-Shaking".
I can't view 1Seg.
• Is the terrestrial digital TV broadcast signal
you are trying to watch strong enough?
• Is the IS04's TV antenna extended?
• Is the "Channel setting" correct for the area
where you are located?
I can't use Osaifu-
• Is the IS04 turned off?
Keitai
®
.
• Is the "Osaifu-Keitai lock setting" activated?
• Are you holding the part of the IS04 with
the
What you should check
） . Change to another
mark up to the scanner?
73
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