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troubleshooting
If you are having trouble with your mobile phone, try these troubleshooting procedures before contacting a service
professional.
When you turn on your phone, the following
messages may appear:
Message
Try this to solve the problem:
Ensure that the SIM card is installed
Insert SIM
correctly.
When using the phone for the first
time or when the PIN requirement is
enabled, you must enter the PIN
Enter PIN
supplied with the SIM card. You can
disable this feature by using the
PIN check menu.
a
Message
Try this to solve the problem:
Your SIM card is blocked, usually
as a result of entering your PIN
Enter PUK
incorrectly several times. You must
enter the PUK supplied by your
service provider.
Your phone displays
"No
failure."
• When you are in areas with weak signals or poor
reception, you may lose reception. Move to
another area and try again.
service" or
"Network
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