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troubleshooting
If you are having trouble with your mobile phone, try these troubleshooting procedures before contacting a service
professional.
While using your phone, the following messages
may appear:
Message
Try this to solve the problem:
Please insert
Ensure that a SIM card is installed
SIM card
correctly.
When the phone lock feature is
Phone lock
enabled, you must enter the
password you set for the phone.
When using the phone for the first
time or when the PIN requirement
is enabled, you must enter the
Enter PIN
PIN supplied with a SIM card. You
can disable this feature by using
the PIN lock menu.
a
Message
Try this to solve the problem:
One of your SIM cards is blocked,
usually as a result of entering your
Enter PUK
PIN incorrectly several times. You
must enter the PUK supplied by
your service provider.
Your phone displays "Network unavailable" or
"Network failure."
• When you are in areas with weak signals or poor
reception, you may lose reception. Move to
another area and try again.
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