diff --git a/smsapp/qml/ConversationList.qml b/smsapp/qml/ConversationList.qml
--- a/smsapp/qml/ConversationList.qml
+++ b/smsapp/qml/ConversationList.qml
@@ -30,9 +30,29 @@
 
 Kirigami.ScrollablePage
 {
+    ToolTip {
+        id: noDevicesWarning
+        visible: !devicesCombo.enabled
+        text: "⚠️ " + i18n("No devices available") + " ⚠️"
+
+        Button {
+            // We need an invisible button in order to support a hovering tooltip
+            anchors.centerIn: parent
+            width: parent.width
+            height: parent.height
+            hoverEnabled: true
+            opacity: 0
+
+            ToolTip.visible: hovered
+            ToolTip.delay: Qt.styleHints.mousePressAndHoldInterval
+            ToolTip.text: i18n("No new messages can be sent or received, but you can browse cached content")
+        }
+    }
+
     footer: ComboBox {
         id: devicesCombo
         enabled: count > 0
+        displayText: !enabled ? i18n("No devices available") : undefined
         model: DevicesSortProxyModel {
             id: devicesModel
             //TODO: make it possible to filter if they can do sms
@@ -43,12 +63,6 @@
         }
         textRole: "display"
     }
-    
-    Label {
-        text: i18n("No devices available")
-        anchors.centerIn: parent
-        visible: !devicesCombo.enabled
-    }
 
     readonly property QtObject device: devicesCombo.currentIndex >= 0 ? devicesModel.data(devicesModel.index(devicesCombo.currentIndex, 0), DevicesModel.DeviceRole) : null