713. Check ListIf you experience any problem while using your cell phone, please refer tothe following checklist. If the problem still persists, contact your dealer ornearest service centre.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 point of the card.If it is out of order, take it to the nearest service centre.When the “Handset locked enter password” message appears:Enter the handset password. If you cannot remember the password, contactthe nearest service centre.When the “Enter PIN1” message appears:Input PIN1. If you cannot remember it, contact the nearest service centre.You can still receive calls even if your cell phone becomes locked byentering the incorrect PIN1 on three consecutive 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 signal strength maybe low, try moving to 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 handset may be set to MUTE. Disable the MUTE function.When battery lifetime is shorter than usual:This may happen when you are in an area with low signal strength. Turn offyour handset when it is not in use. Change the battery when battery energyis exhausted.When your cell 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 SMS service, or you may be in anarea where your network service provider cannot provide such service.When you are unable to make a call:Your phone may be set to “fixed dial.” Cancel the “fixed dial” function.When you are unable to charge the battery:This may be the result of one of the following three cases.1. Your charger may be out of order. Contact your nearest dealer.2. You may be attempting to use the phone in overly hot/cold temperature.Try changing the charging environment.3. Your battery may have not been connected to the charger properly. Checkthe connector.When you are unable to input data into the Phone Book:Your Phone Book memory may be full. Try deleting some entries from yourPhone Book.When you are unable to select a certain function:You may not be subscribed to that function, or your network service providermay be in an area where such service cannot be provided. Contact yourlocal service provider.When the GPRS cable connection is abnormally disconnected while