Appendix
72
Trouble
Detail
Page
" " (out of
service area)
appears
Is the product within the
service area or where signal
is good enough?
P. 29
Is the built-in antenna
covered with finger, etc.?
P. 7
Is a card inserted other than
the au IC card?
P. 9
Cannot operate
button/touch
panel
Is the power turned on?
P. 20
Turn off the power and then
turn it on again.
P. 20
" " appears
Is the au IC card inserted?
P. 10
A message
indicating that
charging is
necessary is
displayed
The battery is almost empty.
P. 16
The battery
can only be
used a short
time
Is the battery adequately
charged?
• Charge until the red
charging light turns green.
P. 16
Does the internal battery have
adequate service life remaining?
P. 54
Is the product left in the
place for a long period where
" " (out of service area)
appears?
P. 29
Is the Battery care mode
set?
－
Stop using/disabling unused
apps or functions.
－
Trouble
Detail
Page
Display is dark
Is the temperature of the
product or battery high?
The display may become
dark depending on the
temperature of the product.
－
If you cannot find the solution to your problem in
the above items, refer to the au Customer Support
site "トラブル診断 (Trouble check)" on the website
shown below. (Displayed language is Japanese
only.)
https://www.au.com/trouble-check/
After-Sales Service
■ When Asking for Repair
For repair, contact Repair and Delivery Service
Center.
During the
warranty
period
Repairs will be done based on the terms
of services of the free-of-charge repair
warranty.
Outside
the
warranty
period
We shall repair the product for a charge
as requested by the customer if repair
renders it usable.
* The warranty period is one year from the day when you purchase
the product.
