Troubleshooting - Samsung GH68-20801A User Manual

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
card to
Ensure that the SIM or USIM card
access
is installed correctly.
network
services
When the phone lock feature is
Password enabled, you must enter the
password you set for the phone.
55
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 supplied with the
PIN code
SIM or USIM card. You can
disable this feature by using the
PIN lock menu.
Your SIM or USIM card is
blocked, usually as a result of
entering your PIN incorrectly
PUK code
several times. You must enter the
PUK supplied by your service
provider.