Samsung SGH-D510 User Manual

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Samsung SGH-D510 User Manual Manual pdf 88 page image

85Solve problemsHelp and personal needsTo save the time and expense of an unnecessaryservice call, perform the simple checks in this sectionbefore contacting a service professional.When you switch on your phone, thefollowing messages may appear:“Insert SIM”• Be sure that the SIM card is correctly installed.“Phone lock”• The automatic locking function has been enabled.You must enter the phone’s password before youcan use the phone.“Enter PIN”• You are using your phone for the first time. Youmust enter the PIN supplied with the SIM card.• The PIN check feature is enabled. Every time thephone is switched on, the PIN has to be entered.To disable this feature, use the PIN check menu.“Enter PUK”• The PIN code has been entered incorrectly threetimes in succession, and the phone is now blocked.Enter the PUK supplied by your service provider.“No Service,” “Network Failure,” or “NotDone” displays• The network connection has been lost. You may bein 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