If I were to buy a phone from Vodafone, could I use an Orange Sim Card in it?

[MIML]

If it had to be unlocked, how would I do this?

Thanks in advance
-MIML

 

[Unregistered]

Hi you can easily unlock your phone vodafone network using code ..You can purchase code from sites like Unlock-Zone.com here they are rendering code for all mobile models at reliable cost ..After unlocking your phone from vodafone network you can freely use it with orange sim card...