Samsung SGH-L870 User Manual

Also see for SGH-L870: User manual Quick start guide

btroubleshootingYour device does not show a signal (no barsnext to the network icon)• If you just turned on the device, wait about 2minutes for your device to find the network andreceive a signal.• You may not be able to receive a signal intunnels or elevators. Move to an open area.• You may be between service areas. Youshould receive a signal when you enter aservice area.You forgot a security code, PIN, or PUKThe default lock code is 00000000. If you forgetor lose this or another code, contact the seller oryour service provider.Your display shows white linesThe display may show white lines if you haveturned the device on after a long period of disuseor if you removed the battery without first turningoff the device. The display should correct itself ina short time.You enter a number, but the call is notdialled• Ensure that you have pressed [ ].• Ensure that you have accessed the rightcellular network.• Ensure that you have not set call barring for thephone number.You select a contact to call, but the call isnot dialled• Ensure that the correct number is stored in thecontact information.• Re-enter and save the number, if necessary.Another caller cannot hear you speaking• Ensure that you are not blocking the built-inmicrophone.• Move the built-in microphone closer to yourmouth.• If using a headset, ensure that it is properlyconnected.