ctroubleshootingtroubleshootingIf you are having trouble with your mobile phone, trythese troubleshooting procedures beforecontacting a service professional.When you turn on your phone, the followingmessages may appear:Message Try this to solve the problem:Insert SIM Ensure that the SIM card is installedcorrectly.Phone lockWhen the phone lock feature isenabled, you must enter the passwordyou set for the phone.Enter PINWhen using the phone for the first timeor when the PIN requirement isenabled, you must enter the PINsupplied with the SIM card. You candisable this feature by using the PINcheck menu.Enter PUKYour SIM card is blocked, usually as aresult of entering your PIN incorrectlyseveral times. You must enter the PUKsupplied by your service provider.
