If you experience problems while using your cell phone, pleaserefer to the following checklist. If the problem persists, contact yourdealer or nearest service center.When the “Insert SIM Card” message appears:Make sure the SIM card is correctly installed. Check to see if theSIM card is working properly. If it does not work, try cleaning thecontact point of the card. If it is out of order, take it to the nearestservice center.When the “Handset locked enter password”message appears:Enter the handset password. If you cannot remember the password,contact the nearest service center.When the “Enter PIN1” message appears:Type in PIN1. If you cannot remember it, contact the nearestservice center. You can still receive calls even if your cell phonebecomes locked by entering the incorrect PIN1 on threeconsecutive attempts.When the “No service” or “Network failure”message appears:Check the SSI (Signal Strength Indicator) state. If you cannot make aconnection in underground areas or in buildings where signalstrength may be low, try moving to another place. If you still cannotmake a connection, contact the nearest service center.131TROUBLESHOOTINGTROUBLESHOOTING