Samsung SGH-Z300 User Manual

Also see for SGH-Z300: User manual Service manual

Contents

Solve problemsHelp and personal needsTo save the time and expense of an unnecessary servicecall, perform the simple checks in this section beforecontacting a service professional.When you switch on your phone, thefollowing messages may appear:“Please insert SIM card”• Be sure that the USIM/SIM card is correctlyinstalled.“Phone lock”• The automatic locking function has beenenabled. You must enter the phone’s passwordbefore you can use the phone.“PIN lock”• You are using your phone for the first time. Youmust enter the PIN supplied with the USIM/SIMcard.“No service,” “Network failure,” or “Notdone” displays• The network connection has been lost. You maybe in a weak signal area. Move and try again.• You are trying to access an option for which youhave no subscription with your service provider.Contact the service provider for further details.You have entered a number but it was notdialled• Be sure that you have pressed [ ].• Be sure that you have accessed the right cellularnetwork.• Be sure that you have not set an outgoing callbarring option.Your correspondent cannot reach you• Be sure that your phone is switched on. ([ ]pressed for more than one second.)• Be sure that you are accessing the correctcellular network.