If you need unlock your mobile you can visit this site http://www.mobileunlocksolutions.com/nokia-6230i/rs1wp9/ check the network service is available or not. If it is available you can get the unlock code from that site. I got unlock code from that site and unlocked my nokia 6230i from vodafone.
Using the free unlocking instructions from that site http://www.mobileunlockguide.com/nokia-6230i
jessitha, April 2013
