.. include:: ../urls.rst .. _l5_cellular_networks_issues: Known limitations ================= .. _l5_cellular_networks_issues_deregistration: Apple iMessage / Google RCS de-registration ------------------------------------------- Users with a phone number previously registered to iMessage or Google RCS must unregister the phone number from those services to message successfully with the Librem 5 or Liberty phone. This is sometimes difficult to diagnose and usually requires communicating out-of-band with friends using iPhones or Android devices once they realize their messages are not being received (or worse, going to someone else, which does happen). De-register a phone number using these resources: * iMessage * https://selfsolve.apple.com/deregister-imessage/ * Scroll down to the section "No longer have your iPhone?" and follow the steps. * Google RCS * https://messages.google.com/disable-chat * Scroll down to the section "Without your previous device" and follow the steps. .. _l5_cellular_networks_issues_call_waiting: Call waiting ------------ The Librem 5 does not currently support call waiting. .. seealso:: See :ref:`these instructions ` if you experience call audio cutting out when receiving an incoming call while a call is already active. .. _l5_cellular_networks_issues_esim: eSIM ---- eSIM functionality is not currently supported. .. _l5_cellular_networks_issues_vowlan: Voice over Wi-Fi ---------------- Voice over Wi-Fi is not currenty supported.