61
Appendix
Symptom
What you should check
Page
" " appears
Is your au Nano IC Card 04
inserted?
P. 12
A message such
as charge the
battery appears
The battery is almost dead.
P. 15
Battery usage
time is short
Is the product fully charged?
• Charge the product until the red
charging light goes off.
P. 15
Is the internal battery end-of-life?
P. 37
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. 23
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. 9
P. 10
Symptom
What you should check
Page
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.
−
If you cannot find the solution to your problem in the above
items, refer to the au homepage or au Customer Support
on the website shown below.
http://www.au.kddi.com/support/mobile/trouble/repair
Updating Software or OS
You can update the product to the most recent software for
optimal performance and to get the latest enhancements.
There are several methods to update software.
■
Notes
• You are charged for data communication when
connecting to the Internet from the product using packet
communication.
• You are recommended to back up your data before
updating software.
• For detailed descriptions on various functions, refer to
the "
取扱説明書
(Instruction Manual)" app installed on the
product or "
取扱説明書詳細版
(Full Instruction Manual)"
(Japanese) available on the au homepage.