Nokia 7600

[SAFC1BeerMonste]

My mate has just emailed me to say the codes are not working to unlock his 7600. In the Nokiafree calculator there is a 7600 but it has these wrote next to it (NNM-3), what does this mean?

Any advice would be great, cheers.

[cprafferty]

NNM-3 this is just nokias internal name for the phone.