nokia 5310 unlocking help ??

hi, i have a nokia 5310 n the o2 netwok and i need to get it unlocked so i an put my orange sim in.can anyone help , can't find a code or any other way to do it or any site that unlocks them.
thanx.

You can get your Nokia 5310 phone unlocked from Network lock using unlock code. Unlock code is the best and safest way to unlock phone. You can get such codes from your Network service provider or any third party online vendors like ClassicUnlocking.com here you need to specify your country, IMEI number of your phone. Then they deliver unlock code to you through mail with unlocking instructions. Using this you can unlock your phone from Network lock easily.