diff --git a/static/usage.html b/static/usage.html
index 14949e31..e935a90e 100644
--- a/static/usage.html
+++ b/static/usage.html
@@ -1091,6 +1091,8 @@
                         you have issues.</li>
                     <li>Follow your carrier's instructions for setting up APNs, this can be found in
                         Settings ➔ Network &amp; Internet ➔ SIMs ➔ Access Point Names</li>
+                    <li>If calls do not work and you have <a href="#lte-only-mode">LTE-only mode</a> enabled,
+                        try toggling it off. Your carrier may not properly support VoLTE.</li>
                     <li>As a last resort you may need to ask your carrier for a replacement SIM card.</li>
                 </ul>