Secret Code of Handphone Nokia and Sony Ericsson

Secret Code of Handphone Nokia and Sony EricssonThe following is secret code of Nokia and Sony Ericsson and Symbian. Sorry maybe it is not complete, this code also was not examined yet by me, so do with your own risk :)Nokia Access Code*#30# : Show ‘private number’ calling you.*#73# : To Reset timer phone and game score (di atas several phonecell).*#7780# : Return to setting factory (factory