Unlock Nokia 6290

[dandroid]

NOKIA 6290
Locked to Optimus Network (Portugal) - Network Code: 26803000
IMEI: 356419010124040

help to unlock this phone. I tried to insert a code calculated by the Crux Calculator v3.1
which gives me the folowing code  #pw+2973220760+1#
I switch the phone on without the simcard, and when I try to insert the code the phone doesn't
allow to insert any character besides numbers - it wont accept the #pw+ characters.

Can you help me or can you give me a clue on how to do it?

Thanks

[staff]

The IMEI number is : 356419010124040

Nokia Master code: 7502603311