Samsung SGH - C260 Unlock

Hi!

Does anyone know how to unlock the Samsung SGH - C260? I've downloaded the Nokia Free unlock, but it doesn´t work with this model?

How can I unlock it?

The phone is from Portugal and the operator is Optimus Portugal.

Please help.

Thanks

One of these service tools can help you to unlock your Samsung C260:

NS Pro
UST Pro 2
Infinity box