diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 8da078e3..6311e266 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -71,6 +71,10 @@
             android:name=".notification.NotificationReplyReceiver"
             android:exported="false" />
 
+        <receiver
+            android:name=".notification.StopKeepConnectedReceiver"
+            android:exported="false" />
+
         <provider
             android:name="androidx.core.content.FileProvider"
             android:authorities="${applicationId}.fileprovider"
diff --git a/app/src/main/java/com/m57/hermescontrol/notification/BackgroundConnectionController.kt b/app/src/main/java/com/m57/hermescontrol/notification/BackgroundConnectionController.kt
index 01ba66a4..4060e569 100644
--- a/app/src/main/java/com/m57/hermescontrol/notification/BackgroundConnectionController.kt
+++ b/app/src/main/java/com/m57/hermescontrol/notification/BackgroundConnectionController.kt
@@ -98,6 +98,17 @@ class BackgroundConnectionController(
         }
     }
 
+    /** The persistent opt-in was turned off while backgrounded (e.g. from the notification action). */
+    fun onKeepConnectedDisabled() {
+        val snapshot = snapshotProvider(false)
+        if (!snapshot.appInForeground) {
+            releaseLease()
+        }
+        // Force a re-post if the service stays up (pending reply) so the action button disappears.
+        currentNotificationState = BackgroundNotificationState.None
+        reconcileState()
+    }
+
     fun reconcileState() {
         val snapshot = snapshotProvider(false)
         val decision = BackgroundConnectionPolicy.evaluate(snapshot)
diff --git a/app/src/main/java/com/m57/hermescontrol/notification/ChatNotificationService.kt b/app/src/main/java/com/m57/hermescontrol/notification/ChatNotificationService.kt
index 48342326..6b1668ec 100644
--- a/app/src/main/java/com/m57/hermescontrol/notification/ChatNotificationService.kt
+++ b/app/src/main/java/com/m57/hermescontrol/notification/ChatNotificationService.kt
@@ -13,6 +13,7 @@ import androidx.core.app.NotificationCompat
 import androidx.core.app.RemoteInput
 import com.m57.hermescontrol.MainActivity
 import com.m57.hermescontrol.R
+import com.m57.hermescontrol.data.local.AuthManager
 import com.m57.hermescontrol.data.remote.NetworkMonitor
 import com.m57.hermescontrol.data.session.ActiveSessionHolder
 import com.m57.hermescontrol.data.ws.HermesWsClient
@@ -383,15 +384,48 @@ class ChatNotificationService : Service() {
         )
     }
 
-    private fun buildForegroundNotification(text: String): Notification =
-        NotificationCompat
-            .Builder(this, SERVICE_CHANNEL_ID)
-            .setSmallIcon(R.drawable.ic_notification)
-            .setContentTitle(getString(R.string.notif_title))
-            .setContentText(text)
-            .setPriority(NotificationCompat.PRIORITY_MIN)
-            .setOngoing(true)
-            .build()
+    private fun buildForegroundNotification(text: String): Notification {
+        val openIntent =
+            Intent(this, MainActivity::class.java).apply {
+                setPackage(packageName)
+                flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TOP
+            }
+        val builder =
+            NotificationCompat
+                .Builder(this, SERVICE_CHANNEL_ID)
+                .setSmallIcon(R.drawable.ic_notification)
+                .setContentTitle(getString(R.string.notif_title))
+                .setContentText(text)
+                .setPriority(NotificationCompat.PRIORITY_MIN)
+                .setOngoing(true)
+                .setContentIntent(
+                    PendingIntent.getActivity(
+                        this,
+                        0,
+                        openIntent,
+                        PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_UPDATE_CURRENT,
+                    ),
+                )
+
+        if (AuthManager.isKeepConnectedInBackground()) {
+            val stopIntent =
+                Intent(this, StopKeepConnectedReceiver::class.java).apply {
+                    action = StopKeepConnectedReceiver.ACTION_STOP_KEEP_CONNECTED
+                    setPackage(packageName)
+                }
+            builder.addAction(
+                R.drawable.ic_notification,
+                getString(R.string.notif_action_turn_off),
+                PendingIntent.getBroadcast(
+                    this,
+                    0,
+                    stopIntent,
+                    PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_UPDATE_CURRENT,
+                ),
+            )
+        }
+        return builder.build()
+    }
 
     private fun createNotificationChannels() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
diff --git a/app/src/main/java/com/m57/hermescontrol/notification/StopKeepConnectedReceiver.kt b/app/src/main/java/com/m57/hermescontrol/notification/StopKeepConnectedReceiver.kt
new file mode 100644
index 00000000..e1d0e787
--- /dev/null
+++ b/app/src/main/java/com/m57/hermescontrol/notification/StopKeepConnectedReceiver.kt
@@ -0,0 +1,26 @@
+package com.m57.hermescontrol.notification
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import com.m57.hermescontrol.data.local.AuthManager
+
+/**
+ * Handles the "Turn off" action on the ongoing background notification:
+ * disables "Stay connected in background" and lets the controller retire the
+ * lease/service.
+ */
+class StopKeepConnectedReceiver : BroadcastReceiver() {
+    companion object {
+        const val ACTION_STOP_KEEP_CONNECTED = "com.m57.hermescontrol.ACTION_STOP_KEEP_CONNECTED"
+    }
+
+    override fun onReceive(
+        context: Context,
+        intent: Intent,
+    ) {
+        if (intent.action != ACTION_STOP_KEEP_CONNECTED) return
+        AuthManager.setKeepConnectedInBackground(false)
+        BackgroundConnectionController.default.onKeepConnectedDisabled()
+    }
+}
diff --git a/app/src/main/res/values-ar/strings.xml b/app/src/main/res/values-ar/strings.xml
index 4246ab8e..6a328570 100644
--- a/app/src/main/res/values-ar/strings.xml
+++ b/app/src/main/res/values-ar/strings.xml
@@ -129,6 +129,7 @@
 <string name="notif_title">Hermes</string>
 <string name="notif_waiting_replies">بانتظار ردود Hermes</string>
 <string name="notif_connected_in_background">متصل في الخلفية</string>
+<string name="notif_action_turn_off">إيقاف</string>
 <string name="notif_connecting">جارٍ الاتصال…</string>
 <string name="notif_waiting_network">في انتظار الشبكة</string>
 <string name="notif_reconnecting">جارٍ إعادة الاتصال</string>
diff --git a/app/src/main/res/values-ko/strings.xml b/app/src/main/res/values-ko/strings.xml
index 4a3e9465..fabaaf82 100644
--- a/app/src/main/res/values-ko/strings.xml
+++ b/app/src/main/res/values-ko/strings.xml
@@ -126,6 +126,7 @@
     <string name="notif_title">헤르메스</string>
     <string name="notif_waiting_replies">헤르메스 응답 대기 중</string>
     <string name="notif_connected_in_background">백그라운드에서 연결됨</string>
+    <string name="notif_action_turn_off">끄기</string>
     <string name="notif_connecting">연결 중…</string>
     <string name="notif_waiting_network">네트워크 대기 중</string>
     <string name="notif_reconnecting">재연결 중</string>
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index 032fd94e..67868a7b 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -129,6 +129,7 @@
     <string name="notif_title">Hermes</string>
     <string name="notif_waiting_replies">等待 Hermes 回复</string>
     <string name="notif_connected_in_background">在后台保持连接</string>
+    <string name="notif_action_turn_off">关闭</string>
     <string name="notif_connecting">正在连接…</string>
     <string name="notif_waiting_network">等待网络连接</string>
     <string name="notif_reconnecting">正在重新连接</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 87ac0e5d..00ed6cd8 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -152,6 +152,7 @@
     <string name="notif_title">Hermes</string>
     <string name="notif_waiting_replies">Waiting for Hermes replies</string>
     <string name="notif_connected_in_background">Connected in background</string>
+    <string name="notif_action_turn_off">Turn off</string>
     <string name="notif_connecting">Connecting…</string>
     <string name="notif_waiting_network">Waiting for network</string>
     <string name="notif_reconnecting">Reconnecting</string>
diff --git a/app/src/test/java/com/m57/hermescontrol/notification/BackgroundConnectionControllerTest.kt b/app/src/test/java/com/m57/hermescontrol/notification/BackgroundConnectionControllerTest.kt
index 2a641154..209cb199 100644
--- a/app/src/test/java/com/m57/hermescontrol/notification/BackgroundConnectionControllerTest.kt
+++ b/app/src/test/java/com/m57/hermescontrol/notification/BackgroundConnectionControllerTest.kt
@@ -407,4 +407,55 @@ class BackgroundConnectionControllerTest {
             unmockkObject(NetworkMonitor)
         }
     }
+
+    @Test
+    fun testOnKeepConnectedDisabled_whenBackgrounded_releasesLeaseAndStopsService() {
+        var leaseReleased = false
+        var serviceStopped = false
+        val snapshot =
+            BackgroundConnectionSnapshot(
+                appInForeground = false,
+                keepConnectedOptIn = false,
+                pendingReply = false,
+                isEligibleForConnection = true,
+                status = ConnectionStatus.CONNECTED,
+            )
+        val controller =
+            BackgroundConnectionController(
+                snapshotProvider = { snapshot },
+                releaseLease = { leaseReleased = true },
+                requestServiceStop = { serviceStopped = true },
+            )
+
+        controller.onKeepConnectedDisabled()
+
+        assertTrue(leaseReleased)
+        assertTrue(serviceStopped)
+    }
+
+    @Test
+    fun testOnKeepConnectedDisabled_whenReplyPending_keepsServiceAndRefreshesNotification() {
+        var serviceStopped = false
+        var refreshed: BackgroundNotificationState? = null
+        val snapshot =
+            BackgroundConnectionSnapshot(
+                appInForeground = false,
+                keepConnectedOptIn = false,
+                pendingReply = true,
+                isEligibleForConnection = true,
+                status = ConnectionStatus.CONNECTED,
+            )
+        val controller =
+            BackgroundConnectionController(
+                snapshotProvider = { snapshot },
+                releaseLease = {},
+                requestServiceStop = { serviceStopped = true },
+                onNotificationStateChanged = { refreshed = it },
+            )
+
+        controller.onKeepConnectedDisabled()
+
+        assertFalse(serviceStopped)
+        assertEquals(BackgroundNotificationState.WaitingForReplies, refreshed)
+    }
 }