Hi., you can unlock your Nokia X6 by simply reaching a site. you can get the code at reliable cost in this site...
http://www.mobile-unlocker.com/nokia-x6/rs2wp9/
Follow the instructions...
Do not enter any wrong unlock codes on your Nokia X6 mobile phones. If you enter over a certain amount of wrong unlock codes on your Nokia X6 mobile phone, your phone may get hard locked and sometimes become unusable.
1 - Switch on your Nokia X6 without any sim card.
2 - Don't bother as to what is displayed on your Nokia X6.
3 - Compose #pw+CODE+1#.
4 - The Nokia X6 would then display the message "SIM Restriction Off" and will be unlocked!
Note :For Nokia X6 mobile phones locked to the network Fido or Rogers in Canada follow these instructions :
1 - Switch on your Nokia X6 without any sim card.
2 - Don't bother as to what is displayed on your Nokia X6.
3 - Compose #pw+CODE+7#.
4 - The Nokia X6 would then display the message "SIM Restriction Off" and will be unlocked!