If you experience any problem while using your mobilephone, please refer to the following checklist. If theproblem still persists, contact your dealer or nearestservice centre.When the “Insert SIM Card” message appears:Make sure the SIM card is correctly installed. Check tosee if the SIM card is working properly. If it does not work,try to clean the contact points of the card. If it is out oforder, take it to the nearest service centre.When the “Handset locked enter password”message appears:Enter the phone password. If you cannot remember thepassword, contact the nearest service centre.When the “Enter PIN1” message appears:InputPIN1. If you cannot remember it, contact the nearestservice centre. You can still receive calls even if yourmobile phone becomes locked after entering the incorrectPIN1 on three consecutive attempts.When the “No service” or “Network failure”message appears:Check the SSI (Signal Strength Indicator) state. If youcannot make a connection in underground areas or inbuildings where signal strength may be low, try movingto another place. If you still cannot make a connection,contact the nearest service centre.When audio quality is poor:End a call and try again.When the other party cannot hear you speaking:Your phone may be set to MUTE. Disable the MUTEfunction.When battery lifetime is shorter than usual:This may happen when you are in an area with lowsignal strength. Turn off your phone when it is not in use.Change the battery when battery energy is exhausted.When your mobile phone does not turn on:Make sure your battery is charged. Check to see if yourphone works while recharging the battery.When you are unable to send a message:Either you are not registered to receive an SMS service,or you may be in an area where your network serviceprovider cannot provide such a service.When you are unable to make a call:Your phone may be set to “fixed dial.” Cancel the “fixeddial” function.Troubleshooting checklistTroubleshooting checklist108060425-PG-3600V-EN�‚�¬(00).indd 108 2006.4.27 7:8:24 PM