User guide

132 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.
Calls cannot be made
or received.
• If the message “SIM card
error” is displayed when the
phone is switched on, you
cannot use your SIM/USIM
card or the SIM/USIM 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
Bluetooth wireless
technology interface or a
USB data cable.
Problem Solution