190Solving problemsIf you are experiencing problems with your phone,perform the following simple checks, before contacting aservice professional. This may save you the time andexpense of an unnecessary service call.When you switch your phone on, the followingmessages may appear:Insert SIM card• Check that the SIM card is correctly installed.Phone locked enter password• The automatic locking function has been enabled. Youmust enter the phone’s password before you can usethe phone.Enter PIN• You are using your phone for the first time. You mustenter the Personal Identification Number (PIN)supplied with the SIM card.• The PIN Check feature is enabled. Every time thephone is switched on, the PIN has to be entered. Todisable this feature, use the PIN check menu (Menu9.7.1).Enter PUK• The PIN code was entered incorrectly three times insuccession and the phone is now blocked. Enter thePUK supplied by your service provider.“No Service,” “Network Failure” or “NotDone” displays• The network connection has been lost. You may be ina weak signal area (in a tunnel or surrounded bybuildings). Move and try again.• You are trying to access an option for which you havenot taken out a subscription with your serviceprovider. Contact the service provider for furtherdetails.
