System and method for assigning a permanent personal identification number (PIN) to a mobile communication device

A method for assigning a personalized indicium to a mobile communications device (116), comprising: generating a Personal Information Number [PIN] temporal; transmitting a request (502) by said mobile communications device (116) over a wireless network packet data (112) to a network node (216), including the above application (502) said Personal Information Number [ PIN], and at least one of a device identifier and a subscriber identifier relating to said mobile communications device (116); and after validating (506) said request (502), provide a response (510) by said network node (216) to said mobile communications device (116) including said response (510) a permanent PIN assigned to said mobile communications device (116), characterized in that said Personal Information Number [PIN] temporary within delmencionado mobile communications device (116) is generated.