Iphone 4 white 32GB NO SERVICE ?

iphone 4 white 32gb on 02 network the phone is brand new never used as i have converted it into white. originally the iphone was in black. the phone has no history of any physical or liquid damage, only reason I converted it to white was because it look good. I live near north finchley bus station. I can negotiate prices as i still have the black case still with me. if you have any question dont hesitate to message or phone me.