hi to get unlock codes visit http://www.unlocking4free.com/ here they ask you the imei number of your mobile .finally they generate codes to unlock your mobile at free of cost.
fairy12
April 2012
i can only help u if i know ur problem, u have only stated that ur phone is blocked but u have not stated in which way e.g is ur phone asking for a PUK code or for a PIN code.
THEN i CAN help U,wot U will have to do is put anuda o2 sim card in ur phone and ring the o2 provider and they will give u the code for ur uda sim and it won't even cost u a peeny.
I hope u resolve ur problem, in future if any help is needed i'd be glad to be of assistance
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix mobile phones.