diff --git a/sfm/sfm_webapp.html b/sfm/sfm_webapp.html
index 869c8e6..a763b39 100644
--- a/sfm/sfm_webapp.html
+++ b/sfm/sfm_webapp.html
@@ -913,7 +913,7 @@
 <!-- ════════════════════════════════════════════════════════════════
      TAB: Call Home
 ═══════════════════════════════════════════════════════════════════ -->
-<div id="tab-call-home" class="tab-pane" style="display:none">
+<div id="tab-call-home" class="tab-pane">
 
   <div class="cfg-grid">
 
@@ -1310,6 +1310,8 @@ async function connectUnit() {
   document.getElementById('next-btn').disabled  = eventList.length <= 1;
   document.getElementById('cfg-read-btn').disabled  = false;
   document.getElementById('cfg-write-btn').disabled = false;
+  document.getElementById('ch-read-btn').disabled   = false;
+  document.getElementById('ch-write-btn').disabled  = false;
 
   btn.disabled = false; btn.textContent = 'Reconnect';