Help with Unlocking code for C300

[jontth]

My friends bring back a samsung C300 for me and it's sim card locked.

Anyone can help me with to unlock the phone?

I think it's lock by Australia Testra.

[thaayu]

Hi,I am using Sam sung Mobile, I am successfully unlocked my mobile with Wicked Unlock.com - Get your phone unlocked by the wicked unlocker! (http://www.wickedunlock.com/)this site, also this site provide all country mobile and various service providers ..you may try it.