Checking if VoLTE is turned on - Member Forum
<main> <article class="userContent"> <p>Make sure to have the latest software update on your phone. This can be a common reason why VoLTE isn't working.</p><p>iPhone:</p><ol><li>Tap Settings > Cellular > Cellular Data Options or Settings > Mobile Data.</li><li>Tap Voice & Data > Enable LTE > Voice & Data.</li><li>Tap the VoLTE toggle to turn it on or off.</li></ol><p>Samsung:</p><ol><li>Tap Settings > Connections > Mobile networks > Mobile Data.</li><li>Tap the VoLTE calls toggle to turn it on or off.</li></ol> </article> </main>