unlocking code? if the phone was someones unwanted upgrade. I beleive the unlocking companies don't yet have the codes for the new HD2. I have put a T-mobile PAYG sim into the phone, so it works, but I'd like it unlocked. Is it even possible the T-mobile would block the phone if they learned it was a sold unwanted upgrade? Thanks in advance for knowlegable, not guessing, UK answers.