diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index baa90e75d589b..1ea4861879356 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -9154,6 +9154,22 @@ public final class Settings {
        private static final Validator WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON_VALIDATOR =
                BOOLEAN_VALIDATOR;
 
+       /**
+        * Whether to notify the user of carrier networks.
+        * <p>
+        * If not connected and the scan results have a carrier network, we will
+        * put this notification up. If we attempt to connect to a network or
+        * the carrier network(s) disappear, we remove the notification. When we
+        * show the notification, we will not show it again for
+        * {@link android.provider.Settings.Global#WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY} time.
+        * @hide
+        */
+       public static final String WIFI_CARRIER_NETWORKS_AVAILABLE_NOTIFICATION_ON =
+               "wifi_carrier_networks_available_notification_on";
+
+       private static final Validator WIFI_CARRIER_NETWORKS_AVAILABLE_NOTIFICATION_ON_VALIDATOR =
+               BOOLEAN_VALIDATOR;
+
        /**
         * {@hide}
         */
@@ -11261,6 +11277,7 @@ public final class Settings {
             NETWORK_RECOMMENDATIONS_ENABLED,
             WIFI_WAKEUP_ENABLED,
             WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
+            WIFI_CARRIER_NETWORKS_AVAILABLE_NOTIFICATION_ON,
             USE_OPEN_WIFI_PACKAGE,
             WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED,
             EMERGENCY_TONE,
@@ -11307,6 +11324,8 @@ public final class Settings {
             VALIDATORS.put(PRIVATE_DNS_MODE, PRIVATE_DNS_MODE_VALIDATOR);
             VALIDATORS.put(PRIVATE_DNS_SPECIFIER, PRIVATE_DNS_SPECIFIER_VALIDATOR);
             VALIDATORS.put(SOFT_AP_TIMEOUT_ENABLED, SOFT_AP_TIMEOUT_ENABLED_VALIDATOR);
+            VALIDATORS.put(WIFI_CARRIER_NETWORKS_AVAILABLE_NOTIFICATION_ON,
+                    WIFI_CARRIER_NETWORKS_AVAILABLE_NOTIFICATION_ON_VALIDATOR);
         }
 
         /**
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index d83db87e4832f..327b33bd00635 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -3038,6 +3038,8 @@
 
     <!-- Notification title for a nearby open wireless network.-->
     <string name="wifi_available_title">Connect to open Wi\u2011Fi network</string>
+    <!-- Notification title for a nearby carrier wireless network.-->
+    <string name="wifi_available_carrier_network_title">Connect to carrier Wi\u2011Fi network</string>
     <!-- Notification title when the system is connecting to the specified open network. The network name is specified in the notification content. -->
     <string name="wifi_available_title_connecting">Connecting to open Wi\u2011Fi network</string>
     <!-- Notification title when the system has connected to the open network. The network name is specified in the notification content. -->
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index ee208734a49db..7938f1658dc4f 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -1912,6 +1912,7 @@
   <java-symbol type="plurals" name="wifi_available" />
   <java-symbol type="plurals" name="wifi_available_detailed" />
   <java-symbol type="string" name="wifi_available_title" />
+  <java-symbol type="string" name="wifi_available_carrier_network_title" />
   <java-symbol type="string" name="wifi_available_title_connecting" />
   <java-symbol type="string" name="wifi_available_title_connected" />
   <java-symbol type="string" name="wifi_available_title_failed_to_connect" />
diff --git a/proto/src/system_messages.proto b/proto/src/system_messages.proto
index 7c6019e764166..db70184e9e9fa 100644
--- a/proto/src/system_messages.proto
+++ b/proto/src/system_messages.proto
@@ -196,6 +196,10 @@ message SystemMessage {
     // Inform the user that unexpectedly rapid network usage is happening
     NOTE_NET_RAPID = 45;
 
+    // Notify the user that carrier Wi-Fi networks are available.
+    // Package: android
+    NOTE_CARRIER_NETWORK_AVAILABLE = 46;
+
     // ADD_NEW_IDS_ABOVE_THIS_LINE
     // Legacy IDs with arbitrary values appear below
     // Legacy IDs existed as stable non-conflicting constants prior to the O release