Unlock Sony ericson Xperia Arc

Any way guys?
Answer #1
best way is to buy a unlock code online wich costs betwen 20/30$
Answer #2
Check out these threads over at XDA:
http://forum.xda-developers.com/showthread.php?t=1304634
http://forum.xda-developers.com/showthread.php?t=1133650
PS: I have an Arc as well, but an unlocked one though. So I’m not quite sure of the de-branding and unlocking process.
Answer #3
my phone is alreaady rooted i want to unlock it to all networks any ideas?