@Godzestla
Default Nokia lock code is 12345
Failing that try resetting by keeping the following buttons * (star key), 3 (number button) and talk/green key depressed whilst turning on the phone and do not release those three buttons until you see the Nokia "Shaking hands" logo.
If I've helped in any way, a click upon the white star at bottom right of screen would always be appreciated.
However if my answer also solves your problem clicking
below it will benefit other users!