172 173Appendix03040506010203040506070102Alert messageIf you experience any problem while using your mobile phone, please referto the following checklist. If the problem still persists, contact your dealer ornearest carrier.When the “Insert SIM Card” message appears:Make sure the SIM card is correctly installed. Check to see if the SIM card isworking properly. If it does not work, try to clean the contact points of the cardwith a dry cloth. If it is out of order, take it to your service provider.When the “Messages full” message appears:The received or saved messages are full in your phone memory.You need to delete some messages.When the “Phone and SIM messages is full. Delete Messages” messageappears:The received or saved messages are full in your phone and SIM card memory.You need to delete the message.When the “Password” message appears in Phone locked state:Enter the phone password. The default password is”1234”. If you cannotremember the password, contact the nearest carrier.When the “Enter PIN1” message appears:Input PIN1. If you cannot remember it, contact your service provider. You canstill receive calls even if your mobile phone becomes locked after entering theincorrect PIN1 on three consecutive attempts.When the “No Service” or “Network Search” appears:If you cannot make/receive a call when you are indoors or undergroundswhere the signal strength is poor, move toward a window or go out to an openarea. If you still cannot make a connection, contact your service provider.Troubleshooting checklistWhen 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 MUTE function. Or your hand maybe covering the microphone located below the key.When battery lifetime is shorter than usual:This may happen when you are in an area with low signal strength. Turn offyour phone when it is not in use. Change the battery when battery energy isexhausted.When your mobile phone does not turn on:Make sure your battery is charged. Check to see if your phone works whilerecharging 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 anarea where your network service provider cannot provide such a service.When you are unable to make a call: