Unlocking nokia 6230i

I cant seem to unlock my noia 6230i even though i have used so many codes.

IMEI:357097002921463
Network Provider:Vodafone

 

How many codes have you tried, and what was the last error message?

 

Ive tried so mnay codes but ive forggoten how many ive done but every time i entered a code nothing comes up, no error message, nothing

 

Are you from the UK?

 

#pw+299045211712351+7#<----Enter code if only from the UK

1. Insert a non accepted sim, most times it will show "Phone Restricted"
2. Press the UNDO option
3. You should see a box that says enter restriction code.
4. Enter the code given and then press (OK)