Sharp O2 Cell Phone User Manual


 
113 Troubleshooting
Troubleshooting
Problem Solution
The phone does not
turn on.
Make sure the battery is
properly inserted and
charged.
PIN code or PIN2
code is rejected.
Make sure you have entered
the correct code (4 to 8
digits).
Your SIM card/protected
functions will become locked
after 3 unsuccessful
attempts.
Contact your SIM provider if
you do not have the correct
PIN code.
SIM card becomes
locked.
Enter PUK code (8 digits)
provided by your service
provider (if supported).
If the attempt is successful,
enter the new PIN code and
confirm your phone is
operational again. Otherwise
contact your dealer.
The display is diffi-
cult to read.
Adjust the LCD contrast.
Phone functions do
not work after the
phone is turned on.
Check the radio signal
strength indicator as you may
be outside the service area.
Check to see if any error
message is displayed when
you turn your phone on. If so,
contact your dealer.
Make sure the SIM card is
correctly inserted.
Calls cannot be
made or received.
If the message “SIM Card
Error” is displayed at start-up,
you cannot use your SIM card
or SIM card is damaged.
Contact your dealer or
network service provider.
Check your call barring, fixed
dialling setting, remaining
battery and call forwarding
settings.
Check if your phone is
currently performing data
communication using Infrared
(IrDA).
Check the remaining balance
if you are using a pre-paid
SIM card.
Problem Solution