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diff --git a/static/faq.html b/static/faq.html index 87da1495..d399295d 100644 --- a/static/faq.html +++ b/static/faq.html @@ -64,6 +64,8 @@ identifiers?</a></li> <li><a href="#default-connections">Which connections do the OS and bundled apps make by default?</a></li> + <li><a href="#cellular-tracking">What does GrapheneOS do about cellular + tracking and silent SMS?</a></li> </ul> </li> </ul> @@ -321,6 +323,25 @@ </li> </ul> + <h2 id="cellular-tracking"> + <a href="#cellular-tracking">What does GrapheneOS do about cellular tracking and + silent SMS?</a> + </h2> + + <p>GrapheneOS always considers the network to be hostile. Merely getting a silent SMS is + not a good indicator of being targeted by your cell carrier, police or government + because <em>anyone on the cell network can send them</em>. Cellular triangulation will + happen regardless of whether or not SMS texts are being sent or recieved by the phone, + and they don't have to even be a silent SMS; it wouldn't be much different than + recieving an unsolicited spam SMS!</p> + + <p>Activating airplane mode will fully disable the cellular radio transmit and recieve + capabilities, which will prevent your phone from being reached from the cellular + network and stop your carrier (and anyone impersonating them to you) from tracking the + device via the cell network. On currently supported devices, the code for Wi-Fi and + cellular radios is separately sandboxed, and while airplane mode is on, the phone may + still be connected and used on WiFi. MAC Addresses on Wi-Fi are randomized.</p> + </div> <footer> <a href="/"><img src="https://grapheneos.org/logo.png" width="512" height="512" alt=""/>GrapheneOS</a> |