<div class="caution"> <p>Tails cannot hide the information that identifies your phone on the local network. If you connect your phone to a:</p> <ul> <li><p>Wi-Fi network: the network can see the MAC address of your phone.</p> <p>This has security implications that we explain in our [[documentation on MAC address anonymization|first_steps/welcome_screen/mac_spoofing]].Some phones have a feature to hide the MAC address of the phone.</p></li> <li><p>Mobile data network: the network is able to know the identifier of your SIM card (IMSI) and the serial number of your phone (IMEI).</p></li> </ul> </div>
<!-- See https://gitlab.tails.boum.org/tails/blueprints/-/wikis/wi-fi_adapters/ for Wi-Fi adapters that don't work or that have no advantage over these ones. -->
Check in our list of [[known Wi-Fi issues|support/known_issues#problematic-wifi]] if there is a workaround to get your Wi-Fi interface to work in Tails.
