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, the following“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 “Not done”displays• The network connection has been lost. You may be
