82Alert messageIf you experience any problem while using your mobile phone, please referto the following checklist. If the problem still persists, contact your dealeror nearest 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 thecard with 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 needto delete some messages.When the “Phone and SIM messages are full. Delete Messages”message appears:The received or saved messages are full in your phone and SIM cardmemory. You need to delete some messages.When the “Password” message appears in Phone lockedstate: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. Youcan still receive calls even if your mobile phone becomes locked afterentering the incorrect 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 undergroundwhere the signal strength is poor, move toward a window or go out toan open area. If you still cannot make a connection, contact your serviceprovider.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 handmay be covering the microphone located below the .When battery lifetime is shorter than usual:This may happen when you are in an area with low signal strength. Turnoff your phone when it is not in use. Change the battery when batteryenergy is exhausted.When your mobile phone does not turn on:Make sure your battery is charged. Check to see if your phone works whilerecharging the battery.