Nokia 7600 unlock code - Help

[shakaa]

Hello I have a Nokia 7600 locked to 3 GSM , UK
IMEI : <removed>

all the codes that came didn't work out and I think I have just one more try.
Please help

Thanks

[browntoa]

change the box serial setting to 32779 from 33820, then use only code 7...this will work !!