And even if you trust the OS, you have no idea what is going on on the phone&#x27;s baseband processor: <a href="https:&#x2F;&#x2F;en.m.wikipedia.org&#x2F;wiki&#x2F;Baseband_processor" rel="nofollow">https:&#x2F;&#x2F;en.m.wikipedia.org&#x2F;wiki&#x2F;Baseband_processor</a><p>One has to assume that all are back-doored. Mobile phones are inherently not trustable.<p>Same goes for all major firewall vendors. If you going to hack one of them as a nation state, then you&#x27;re going to do all of them.