Default lock code for nokia 7610

[sk0056900]

Hello,
i have enetered a new sim in my nokia 7610 and it asks for lock code of 10 digits

iam unable to crack kindly help

 

[assassin123]

no no if you want nokia default lock code for nokia then type 12345 and it should be unlocked then

 

[KamenRider]

no no if you want nokia default lock code for nokia then type 12345 and it should be unlocked then

how to change the lock code if the original lock code have changed??