Securety code eror

Check this one

Master Code Generator will Instantly generate your Nokia's Master security code.
This service can be used if you need to reset your Security Code.
Your IMEI: 356924034968264 --
Your Nokia Master Code: 2401254345


or this one


Nokia 5000 hard reset
You can format your Nokia 5000 device by typing: * + 3 + call + Power on. Before the device is reset, you need to provide the lock code. The default lock code is 12345.
If it is not working try this code:
You can format your device by typing *#7370# in standby mode. Before the device is reset, you need to provide the lock code. The default lock code is 12345.
Some Nokia phone can be reset via this menu option
Press menu button or enter Menu > Settings > Phone > Phone management > Factory settings > Delete data and restore > YESRestore factory settings
To restore the phone back to factory conditions, select Menu > Settings > Rest. factory sett. and from the following options:
Restore settings only - to reset all preference settings without deleting any personal data
Restore all - to reset all preference settings and delete all personal data, such as contacts, messages, media files and activation keys
IMPORTANT!
Formatting the device will permanently erase all user data and settings as well as add-on applications and operator specific settings
goodluck