I am going to make all my mobile devices hit a webpage on a few of my servers silently on bootup (if there is a web connection) so I would at least have that ip. Also embedding a hidden image into the browser about:blank (startup) page.
I wonder if you could install something on the BIOS as well in case they try and wipe the Operating System (which they really should do if they want to be safe).
I am going to make all my mobile devices hit a webpage on a few of my servers silently on bootup (if there is a web connection) so I would at least have that ip. Also embedding a hidden image into the browser about:blank (startup) page.