GpsPasSion Forums - Mio C728 unlock possible/necessary?

Hey guys, I was reading a lot about unlocking Mio devices to develop individual skins such as/for the C310/510 and 720 models. Well as I own such a special Mio C728 I wonder if I need to unlock my unit as well?! Through the options menu I am able to go to

www.gpspassion.com