What do each of the 7 Nokia Codes do?

[Shaocaholica]

I know the first code is to remove the provider lock and one of them is to remove the sim lock but what specifically do each of the 7 codes do?

[Winner58]

read this:
http://forum.gsmhosting.com/vbb/showthread.php?s=&threadid=72381

[Shaocaholica]

Thanks