samsung c3050 unlock succeed with the help of hwk here is the screenshot and procedure
C3050 Sim not vailod solution
1) insert any not vailod
2) connect phone with f-bus or usb cable and read code, code read done.
3) after re connect phone and battery click "Mobile info" button. info done.
4) Click "Unlock" button, all unlock set to 00000000 then insert any unvalid sim and power on.
5) mobile shows sim not volid, just type code (1) #0111*00000000# phone shows personalize close. sim working
