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Troubleshooting
Trouble
Cannot turn on by
Is the battery pack charged?
pressing p.
Is the battery pack properly installed?
Are the contacts on the battery pack clean?
Do you hold down p for at least 1 second?
The power is turned
Has the battery run out?
off automatically.
The power is turned
Is there enough power left in the battery pack?
off while the wake-up
* If the remaining power is low, the screen turns off soon
screen is displayed.
after wake-up screen is displayed.
Cannot make any
Is your IS11PT turned on?
phone calls.
Is the au IC-Card inserted?
Is the phone number you entered correct?
(Did you start with the area code first?)
Did you tap [
number?
Did you set correct setting in "Area Settings"?
Is your IS11PT in "Airplane mode"?
Cannot receive any
Do you have sufficient signal strength?
phone calls.
Are you outside the service area?
Is your IS11PT turned on?
Is the au IC-Card inserted?
Did you set correct setting in "Area Settings"?
Did you set "Call Block"?
Is your IS11PT in "Airplane mode"?
Is the call forwarding service set?
The "out of service
Are you outside the service area or in a location
area" indicator is
with poor signal strength?
displayed.
Are you covering the built-in antenna with your
fingers or hand?
Did you set correct setting in "Area Settings"?
Detail
Page
P.8
–
–
P.9
P.8
P.8
P.9
P.11
P.28
P.28
] after entering the phone
P.52
–
P.18
P.18
P.9
P.11
P.52
–
–
–
P.18
P.6
P.52
Trouble
Cannot connect with
Is your IS11PT receiving a signal from the
Wi-Fi.
wireless access point?
Did you configure your Wi-Fi settings?
I cannot hear any
Is the volume set to "0"?
ring tone.
Is your IS11PT in manner mode?
Cannot charge the
Is the charger connected properly?
battery pack.
Is the battery pack properly installed?
Are the terminals of the desktop holder or
IS11PT clean?
Cannot charge from a PC via a microUSB
cable.
Cannot perform any
Is your IS11PT turned on?
key/touch panel
Did you unlock the screen?
operations.
Is your IS11PT in sleep mode?
"auIC Card(UIM)
Is the au IC-Card inserted?
error" is displayed.
Is a card different from the au IC-Card used?
A message
The battery pack is almost empty.
indicating "Please
connect charger"
appears and an
alarm sounds.
Detail
Page
P.18
P.50
–
P.30
P.8
–
–
–
P.9
P.9
P.9
P.11
P.11
P.8
55
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