diff --git a/examples/companion_radio/AbstractUITask.h b/examples/companion_radio/AbstractUITask.h
index 105f00a1..7cd8fe24 100644
--- a/examples/companion_radio/AbstractUITask.h
+++ b/examples/companion_radio/AbstractUITask.h
@@ -18,7 +18,7 @@ enum class UIEventType {
     contactMessage,
     channelMessage,
     roomMessage,
-    newContactMessage,
+    advertReceived,
     ack
 };
 
diff --git a/examples/companion_radio/DataStore.cpp b/examples/companion_radio/DataStore.cpp
index 001ad55d..ca7e45c6 100644
--- a/examples/companion_radio/DataStore.cpp
+++ b/examples/companion_radio/DataStore.cpp
@@ -317,10 +317,12 @@ void DataStore::loadPrefsInt(const char *filename, NodePrefs& _prefs, double& no
   rd(&_prefs.trail_units_idx,     sizeof(_prefs.trail_units_idx));
   rd(&_prefs.ch_fav_bitmask,      sizeof(_prefs.ch_fav_bitmask));
   rd(&_prefs.ch_fav_only,         sizeof(_prefs.ch_fav_only));
+  rd(&_prefs.notif_melody_ad,     sizeof(_prefs.notif_melody_ad));
   rd(&_prefs.units_imperial,      sizeof(_prefs.units_imperial));
   rd(&_prefs.trail_show_pace,     sizeof(_prefs.trail_show_pace));
-  // Both are booleans: an older file leaves stray bytes here (the old tail
-  // sentinel gets partly consumed), so clamp anything other than 0/1 to 0.
+  // These three were appended together; an older file leaves stray bytes here
+  // (the old tail sentinel gets partly consumed), so clamp out-of-range values.
+  if (_prefs.notif_melody_ad > 2) _prefs.notif_melody_ad = 0;
   if (_prefs.units_imperial  > 1) _prefs.units_imperial  = 0;
   if (_prefs.trail_show_pace > 1) _prefs.trail_show_pace = 0;
 
@@ -341,14 +343,16 @@ void DataStore::loadPrefsInt(const char *filename, NodePrefs& _prefs, double& no
     // 0xC0DE0003 → 0xC0DE0004: trail_units_idx added after trail_min_delta_idx.
     // On a 0xC0DE0003 file the sentinel bytes sit where trail_units_idx is now,
     // so rd() picks up 0x03 (low byte of the old sentinel) — reset just that
-    // case to default 0. Newer mismatches (e.g. 0xC0DE0004 → 0xC0DE0005) had
+    // case to default 0. Newer mismatches (e.g. 0xC0DE0005 → 0xC0DE0006) had
     // the field saved correctly and must not be clobbered.
     if (sentinel == 0xC0DE0003) {
       _prefs.trail_units_idx = 0;
     }
-    // 0xC0DE0005 → 0xC0DE0006: units_imperial + trail_show_pace replaced the
-    // combined trail_units_idx. The new bytes overlap the old tail sentinel and
-    // are already clamped to 0 above, so upgraders default to metric + speed.
+    // → 0xC0DE0007: merge of two parallel 0xC0DE0006 layouts — notif_melody_ad
+    // (advert sound) and units_imperial + trail_show_pace were appended after
+    // ch_fav_only. Any older file (incl. either single-feature 0006) leaves
+    // stray/old bytes in these fields; they're clamped above, so upgraders fall
+    // back to built-in advert sound + metric + speed.
   }
 
   file.close();
@@ -437,6 +441,7 @@ void DataStore::savePrefs(const NodePrefs& _prefs, double node_lat, double node_
     file.write((uint8_t *)&_prefs.trail_units_idx,     sizeof(_prefs.trail_units_idx));
     file.write((uint8_t *)&_prefs.ch_fav_bitmask,      sizeof(_prefs.ch_fav_bitmask));
     file.write((uint8_t *)&_prefs.ch_fav_only,         sizeof(_prefs.ch_fav_only));
+    file.write((uint8_t *)&_prefs.notif_melody_ad,     sizeof(_prefs.notif_melody_ad));
     file.write((uint8_t *)&_prefs.units_imperial,      sizeof(_prefs.units_imperial));
     file.write((uint8_t *)&_prefs.trail_show_pace,     sizeof(_prefs.trail_show_pace));
 
diff --git a/examples/companion_radio/MyMesh.cpp b/examples/companion_radio/MyMesh.cpp
index a3c939fb..ad142999 100644
--- a/examples/companion_radio/MyMesh.cpp
+++ b/examples/companion_radio/MyMesh.cpp
@@ -360,6 +360,8 @@ void MyMesh::onContactsFull() {
 }
 
 void MyMesh::onDiscoveredContact(ContactInfo &contact, bool is_new, uint8_t path_len, const uint8_t* path) {
+  if (_ui) _ui->notify(UIEventType::advertReceived);
+
   if (_serial->isConnected()) {
     if (is_new) {
       writeContactRespFrame(PUSH_CODE_NEW_ADVERT, contact);
@@ -368,10 +370,6 @@ void MyMesh::onDiscoveredContact(ContactInfo &contact, bool is_new, uint8_t path
       memcpy(&out_frame[1], contact.id.pub_key, PUB_KEY_SIZE);
       _serial->writeFrame(out_frame, 1 + PUB_KEY_SIZE);
     }
-  } else {
-#ifdef DISPLAY_CLASS
-    if (_ui) _ui->notify(UIEventType::newContactMessage);
-#endif
   }
 
   // add inbound-path to mem cache
@@ -920,7 +918,7 @@ void MyMesh::onControlDataRecv(mesh::Packet *packet) {
         memcpy(r.pub_key, pub_key, PUB_KEY_SIZE);
         r.timestamp = getRTCClock()->getCurrentTime();
       }
-      if (_ui) _ui->notify(UIEventType::newContactMessage);
+      if (_ui) _ui->notify(UIEventType::advertReceived);
       return;  // our discover — don't forward to BLE app
     }
   }
@@ -1090,6 +1088,7 @@ MyMesh::MyMesh(mesh::Radio &radio, mesh::RNG &rng, mesh::RTCClock &rtc, SimpleMe
   _prefs.ringtone_bpm_idx = 2;   // 120 bpm default
   _prefs.ringtone_len = 0;       // no custom ringtone by default
   _prefs.ringtone2_bpm_idx = 2;  // 120 bpm default
+  _prefs.notif_melody_ad = 0;    // built-in advert sound by default
   _prefs.home_pages_mask = 0x01FF;  // all pages visible
   _prefs.bot_enabled = 0;
   _prefs.bot_channel_enabled = 0;
@@ -2498,7 +2497,7 @@ void MyMesh::loop() {
   }
 
 #ifdef DISPLAY_CLASS
-  if (_ui) _ui->setHasConnection(_serial->isBLEConnected());
+  if (_ui) _ui->setHasConnection(_serial->isConnected());
 #endif
 }
 
diff --git a/examples/companion_radio/NodePrefs.h b/examples/companion_radio/NodePrefs.h
index b05a7d9d..948b2813 100644
--- a/examples/companion_radio/NodePrefs.h
+++ b/examples/companion_radio/NodePrefs.h
@@ -69,9 +69,10 @@ struct NodePrefs {  // persisted to file
   uint8_t  ringtone2_bpm_idx;
   uint8_t  ringtone2_len;
   uint8_t  ringtone2_notes[32];
-  // Global melody for notifications: 0=built-in, 1=melody1, 2=melody2
+  // Global melodies for notifications: 0=built-in, 1=melody1, 2=melody2
   uint8_t  notif_melody_dm;
   uint8_t  notif_melody_ch;
+  uint8_t  notif_melody_ad;
   // Per-channel melody override (2 bitmasks, 1 bit per channel)
   uint64_t ch_notif_melody_set;  // bit i = channel i has explicit melody
   uint64_t ch_notif_melody_2;    // bit i = use melody 2 (else melody 1, when set bit is set)
@@ -119,7 +120,7 @@ struct NodePrefs {  // persisted to file
   // adding/removing/reordering fields in DataStore::savePrefs/loadPrefsInt so
   // older saves are detected on load and skipped (zero-init defaults kept).
   // High 24 bits identify the file format; low byte is the schema revision.
-  static const uint32_t SCHEMA_SENTINEL = 0xC0DE0006;
+  static const uint32_t SCHEMA_SENTINEL = 0xC0DE0007;
 
   // Bit-index for each home page. Used by page_order (entries store bit+1) and
   // by home_pages_mask. Single source of truth — both HomeScreen::pageBit/bitToPage
@@ -187,4 +188,4 @@ struct NodePrefs {  // persisted to file
     }
     if (pos < size) buf[pos] = '\0';
   }
-};
\ No newline at end of file
+};
diff --git a/examples/companion_radio/ui-new/SettingsScreen.h b/examples/companion_radio/ui-new/SettingsScreen.h
index ac564e5b..d7227e1d 100644
--- a/examples/companion_radio/ui-new/SettingsScreen.h
+++ b/examples/companion_radio/ui-new/SettingsScreen.h
@@ -38,6 +38,7 @@ class SettingsScreen : public UIScreen {
     BUZZER_VOLUME,
     DM_MELODY,
     CH_MELODY,
+    AD_SOUND,
     // Home pages section
     SECTION_HOME_PAGES,
     HOME_CLOCK, HOME_FAVOURITES, HOME_RECENT, HOME_RADIO, HOME_BT, HOME_ADVERT,
@@ -446,6 +447,12 @@ class SettingsScreen : public UIScreen {
       { static const char* L[] = { "built-in", "M1", "M2" };
         uint8_t v = p ? p->notif_melody_ch : 0;
         display.print(L[v < 3 ? v : 0]); }
+    } else if (item == AD_SOUND) {
+      display.print("AD sound");
+      display.setCursor(display.valCol(), y);
+      { static const char* L[] = { "built-in", "M1", "M2" };
+        uint8_t v = p ? p->notif_melody_ad : 0;
+        display.print(L[v < 3 ? v : 0]); }
     } else if (isHomePage(item)) {
       if (p) ensurePageOrderInit(p);
       int pos = homePagePosition(item, p);
@@ -696,6 +703,10 @@ public:
       p->notif_melody_ch = (p->notif_melody_ch + (left ? 2 : 1)) % 3;
       _dirty = true; return true;
     }
+    if (_selected == AD_SOUND && p && (left || right || enter)) {
+      p->notif_melody_ad = (p->notif_melody_ad + (left ? 2 : 1)) % 3;
+      _dirty = true; return true;
+    }
     if (isHomePage(_selected) && p) {
       if (left || right) {
         movePageInOrder(_selected, left ? -1 : 1, p);
diff --git a/examples/companion_radio/ui-new/UITask.cpp b/examples/companion_radio/ui-new/UITask.cpp
index 0b8d8391..6aad9505 100644
--- a/examples/companion_radio/ui-new/UITask.cpp
+++ b/examples/companion_radio/ui-new/UITask.cpp
@@ -1448,11 +1448,28 @@ switch(t){
     _last_notif_ch_idx = -1;
     break;
   }
+  case UIEventType::advertReceived: {
+    if (!buzzer.isQuiet()) {
+      int slot = _node_prefs ? (int)_node_prefs->notif_melody_ad : 0;
+      bool custom_played = false;
+      if (slot > 0 && _node_prefs) {
+        if (buzzer.isPlaying()) buzzer.stop();  // stop before overwriting _notif_mel_buf
+        buildMelodyFromPrefs(_node_prefs, slot, _notif_mel_buf, sizeof(_notif_mel_buf));
+        if (_notif_mel_buf[0]) {
+          buzzer.play(_notif_mel_buf);
+          custom_played = true;
+        }
+      }
+      if (!custom_played) {
+        buzzer.play("MsgRcv3:d=4,o=6,b=200:32e,32g,32b,16c7");
+      }
+    }
+    break;
+  }
   case UIEventType::ack:
     buzzer.play("ack:d=32,o=8,b=120:c");
     break;
   case UIEventType::roomMessage:
-  case UIEventType::newContactMessage:
   case UIEventType::none:
   default:
     break;
diff --git a/examples/companion_radio/ui-orig/UITask.cpp b/examples/companion_radio/ui-orig/UITask.cpp
index 3ad36fb0..c96c4aa1 100644
--- a/examples/companion_radio/ui-orig/UITask.cpp
+++ b/examples/companion_radio/ui-orig/UITask.cpp
@@ -103,7 +103,7 @@ switch(t){
     buzzer.play("ack:d=32,o=8,b=120:c");
     break;
   case UIEventType::roomMessage:
-  case UIEventType::newContactMessage:
+  case UIEventType::advertReceived:
   case UIEventType::none:
   default:
     break;
@@ -443,4 +443,4 @@ void UITask::handleButtonLongPress() {
   } else {
     shutdown();
   }
-}
\ No newline at end of file
+}