Well the other day i was playing around with my nokia n95 ( 8gb ) and i changed my security code to 159159.Then i locked my phone so my sister cant touch it then when i came back upstairs and typed in 159159 on the phone it just said code error 
now am confused y its not Accepting it so if any one can help then much appreciated 
now am confused y its not Accepting it so if any one can help then much appreciated