Unlocking Vodafone Sony Ericsson K750i – Please Help -Urgent

I moved from Vodafone a year ago, a few days ago my sexy O2 phone was stolen, O2 are happy to give me a free new sim with the same number to use on my old K750i but EVIL Vodafone want 135 f’ing euros for the code.
How do I unlock it for free?
Thanks in advance guys.
Answer #1
google se-nse its aforum theres lots of guides on flashing and they give u unbranded firmware
Answer #2
cheers bud, you’re a life saver.
Answer #3
no probs have done k750i myself and w850i, anyway be sure to backup just incase u have 2 restore.
Answer #4
no probs have done k750i myself and w850i, anyway be sure to backup just incase u have 2 restore.
couldn’t get unlock code, confused!!
Answer #5
Moving To Helpdesk ~ ~