i just posted it...
"No matter if ville or ville c2 --> download this toolkit pls --> http://forum.xda-developers.com/show....php?t=2471151
i suppose you have installed htc usb drivers?! If not --> http://forum.xda-developers.com/show....php?t=2217396
Boot your One S into bootloader mode (Pressing "Vol down + power") ad connect it to your pc. Open the toolkit from the upper link and perform:
-> Fastboot commands --> "Get MID"
it will show you the model id. PJ401xxxx = ville
///// PJ402xxxx = ville c2