diff --git a/native/profile/linked-devices-header-right-button.react.js b/native/profile/linked-devices-header-right-button.react.js
--- a/native/profile/linked-devices-header-right-button.react.js
+++ b/native/profile/linked-devices-header-right-button.react.js
@@ -6,15 +6,25 @@
 
 import { SecondaryDeviceQRCodeScannerRouteName } from '../navigation/route-names.js';
 import { useStyles } from '../themes/colors.js';
+import Alert from '../utils/alert.js';
+import { devIsEmulator } from '../utils/url-utils.js';
 
 function LinkedDevicesHeaderRightButton(): React.Node {
   const styles = useStyles(unboundStyles);
   const navigation = useNavigation();
 
-  const navigateToQRCodeScanner = React.useCallback(
-    () => navigation.navigate(SecondaryDeviceQRCodeScannerRouteName),
-    [navigation],
-  );
+  const navigateToQRCodeScanner = React.useCallback(() => {
+    if (devIsEmulator) {
+      Alert.alert(
+        'Unsupported device',
+        "You can't access the QR code scanner on a simulator.",
+        [{ text: 'OK' }],
+        { cancelable: false },
+      );
+      return;
+    }
+    navigation.navigate(SecondaryDeviceQRCodeScannerRouteName);
+  }, [navigation]);
 
   return (
     <TouchableOpacity onPress={navigateToQRCodeScanner}>
diff --git a/native/utils/url-utils.js b/native/utils/url-utils.js
--- a/native/utils/url-utils.js
+++ b/native/utils/url-utils.js
@@ -78,4 +78,5 @@
   natNodeServer,
   setCustomServer,
   normalizeURL,
+  devIsEmulator,
 };