yes but some aspects change under mobile radio to IP gateways.. Your mobile SIM card encrypts the unique part of the ID.. The bother some part comes in when a

yes but some aspects change under mobile radio to IP gateways.. Your mobile SIM card encrypts the unique part of the ID.. The bother some part comes in when a #RD party has access sot that ID ..on most mobile OS platforms the 3rd party developer has very restricted access to that ID..not on iphone