<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 9 Jul 2019 at 15:53, John Edwards <<a href="mailto:jaedwards@gmail.com">jaedwards@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><div dir="ltr"><a href="http://www.amta.org.au/pages/Lost.and.stolen.phones" target="_blank">http://www.amta.org.au/pages/Lost.and.stolen.phones</a><br></div><div dir="ltr"><br></div><div dir="ltr"><div style="font-family:Verdana,Arial,Helvetica,sans-serif;font-size:13px;color:rgb(0,0,0);margin:0cm 0cm 0pt 36pt"><b>7.<span style="font-weight:normal;font-stretch:normal;font-size:7pt;line-height:normal;font-family:"Times New Roman"">    </span></b><b>No tracking of lost or stolen mobiles:</b></div></div></div><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px"><div dir="ltr"><div dir="ltr"><div style="font-family:Verdana,Arial,Helvetica,sans-serif;font-size:13px;color:rgb(0,0,0);margin:0px">Your carrier does not track lost and stolen mobiles and they cannot be pinpointed.</div></div></div></blockquote></div></blockquote><div><br></div><div>Well, we all know that's an indirect lie.</div><div><br></div><div><a href="https://www.abc.net.au/news/2015-08-16/metadata-retention-privacy-phone-will-ockenden/6694152">https://www.abc.net.au/news/2015-08-16/metadata-retention-privacy-phone-will-ockenden/6694152</a> </div><div><br></div><div>And I guarantee they can pinpoint it tighter than that too, using proper triangulation, as referenced here:</div><div><br></div><div><a href="https://searchengineland.com/cell-phone-triangulation-accuracy-is-all-over-the-map-14790">https://searchengineland.com/cell-phone-triangulation-accuracy-is-all-over-the-map-14790</a>  <br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div style="font-family:Verdana,Arial,Helvetica,sans-serif;font-size:13px;color:rgb(0,0,0);margin:0px">I have spotted devices with the logos of Australian carriers in the windows of phone shops around South East Asia, which might give you some clues as to how effective IEMI blocking is.</div></div></div></div></blockquote><div><br></div><div>AMTA specifically mentions that it's only valid within Australia - IMEI blocking requires cooperation between carriers, and I'm honestly a little surprised that Telstra/Optus/Voda/others manage to cooperate to do it given how often they screw up other cooperation events (like number porting).</div></div></div>