Samsung SGH-G508E User Manual page 85

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