a
troubleshootingIf 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:
Insert SIM
card to
access
network
services
Ensure that the SIM or USIM card is
installed correctly.
Phone lock
When the phone lock feature is
enabled, you must enter the password
you set for the phone.
PIN code
When using the phone for the first time
or when the PIN requirement is
enabled, you must enter the PIN
supplied with the SIM or USIM card.
You can disable this feature by using
the
PIN lock
menu.
PUK code
Your SIM or USIM card is blocked,
usually as a result of entering your PIN
incorrectly several times. You must
enter the PUK supplied by your
service provider.
Message Try this to solve the problem: