help with unlocking a spv m600

[bsk321]

hi all i have a spv m600 and i would like to unlock it its on orange now but i would like it on o2
many thanks:wink::wink:

[MetalKettle]

hi all i have a spv m600 and i would like to unlock it its on orange now but i would like it on o2
many thanks:wink::wink:

You need a program called Lokiwiz03a mate. I did have it but cant find it now :(. Google is your friend ;)