When you are unable to charge the battery:This may be the result of one of the following three cases.❶ Your charger may be out of order. Contact your nearestdealer.❷ You may be attempting to use the phone in an overlyhot/cold temperature. Try changing the chargingenvironment.❸ Your battery may have not been connected to thecharger properly. Check the connector.When you are unable to input data into yourAddress Book:Your Address Book memory may be full. Try deleting someentries from your Address Book.When you are unable to select a certain function:You may not have subscribed to that function, or yournetwork service provider may be in an area where suchservice cannot be provided. Contact your local serviceprovider.Performance and safetyThe following list shows how to maintain your mobile phone,together with precautions to take.•Keep your mobile phone and its accessories out of thereach of children.•Maintain your mobile phone in dry conditions and keepit within normal operating temperatures. Temperatureshigher than 55°C (131°F) or lower than -20°C (-4°F) maydamage your phone.•Do not use or store your mobile phone in dusty, dirtyareas.•Do not attempt to disassemble your mobile phone.•Do not drop or cause severe impact to your mobilephone.•Do not use chemical products, cleaning solvents ordetergents to clean your mobile phone.•If your mobile phone does not work properly, contact yourdealer immediately.•Use only authorized batteries, battery chargers andaccessories. Any malfunction or damage caused bythe use of unauthorized batteries, battery chargers andaccessories will void the limited product warranty.Troubleshooting checklist & Performance and safety88060921_C3_EN-ºˆ¡§.indd 88 2006.9.21 1:59:2 PM