User guide

146 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/USIM card/protected
functions will become locked after
three unsuccessful attempts.
• Contact your SIM/USIM provider if
you do not have the correct PIN
code.
The SIM/USIM card
becomes locked.
• Enter the 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 difficult to
read.
• Adjust the backlight brightness for
the display.
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/USIM card is
correctly inserted.
Call quality is poor.
• Your current location may not
provide good call quality (i.e., in a
car or train). Move to a location
where radio signal strength is
greater.
Cannot send or receive
text message.
• Make sure you are correctly
subscribed for the Short Message
Service, that the network supports
this service, and that the centre
number is set up correctly. If not,
contact your network service
provider.
Problem Solution