unlock my nokia 6230

phone: 6230

ime code: 355038005466199

i wanna unlock the phone so i can use my blyk sim card.
when i put my blyk simcard in it says that i need the restriction code
is there anyone that can provide this code..thank you

 

its UK by the way

 

and also its locked only to t-mobile

 

#pw+886461003406071+7#

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)