diff --git a/app/src/main/java/com/geeksville/mesh/MainActivity.kt b/app/src/main/java/com/geeksville/mesh/MainActivity.kt
index c3b79214..37a7dc2b 100644
--- a/app/src/main/java/com/geeksville/mesh/MainActivity.kt
+++ b/app/src/main/java/com/geeksville/mesh/MainActivity.kt
@@ -727,6 +727,7 @@ class MainActivity : AppCompatActivity(), Logging {
     override fun onPrepareOptionsMenu(menu: Menu): Boolean {
         menu.findItem(R.id.stress_test).isVisible =
             BuildConfig.DEBUG // only show stress test for debug builds (for now)
+        menu.findItem(R.id.radio_config).isEnabled = !model.isManaged
         return super.onPrepareOptionsMenu(menu)
     }
 
diff --git a/app/src/main/java/com/geeksville/mesh/model/UIState.kt b/app/src/main/java/com/geeksville/mesh/model/UIState.kt
index ec642e51..e0848df1 100644
--- a/app/src/main/java/com/geeksville/mesh/model/UIState.kt
+++ b/app/src/main/java/com/geeksville/mesh/model/UIState.kt
@@ -374,8 +374,8 @@ class UIViewModel @Inject constructor(
         }
     }
 
-    @Suppress("MemberVisibilityCanBePrivate")
-    val isRouter: Boolean = config.device.role == Config.DeviceConfig.Role.ROUTER
+    // managed mode disables all access to configuration
+    val isManaged: Boolean get() = config.device.isManaged
 
     /// hardware info about our local device (can be null)
     private val _myNodeInfo = MutableLiveData<MyNodeInfo?>()
diff --git a/app/src/main/java/com/geeksville/mesh/ui/ChannelFragment.kt b/app/src/main/java/com/geeksville/mesh/ui/ChannelFragment.kt
index 536aaacf..72b4b900 100644
--- a/app/src/main/java/com/geeksville/mesh/ui/ChannelFragment.kt
+++ b/app/src/main/java/com/geeksville/mesh/ui/ChannelFragment.kt
@@ -118,6 +118,7 @@ fun ChannelScreen(viewModel: UIViewModel = viewModel()) {
 
     val connectionState by viewModel.connectionState.observeAsState()
     val connected = connectionState == MeshService.ConnectionState.CONNECTED
+    val enabled = connected && !viewModel.isManaged
 
     val channels by viewModel.channels.collectAsStateWithLifecycle()
     var channelSet by remember(channels) { mutableStateOf(channels.protobuf) }
@@ -258,7 +259,7 @@ fun ChannelScreen(viewModel: UIViewModel = viewModel()) {
     var showChannelEditor by remember { mutableStateOf(false) }
     if (showChannelEditor) ChannelSettingsItemList(
         settingsList = channelSet.settingsList,
-        enabled = connected,
+        enabled = enabled,
         focusManager = focusManager,
         onNegativeClicked = {
             focusManager.clearFocus()
@@ -282,7 +283,7 @@ fun ChannelScreen(viewModel: UIViewModel = viewModel()) {
                 title = stringResource(R.string.channel_name),
                 subtitle = primaryChannel?.humanName.orEmpty(),
                 onClick = { showChannelEditor = true },
-                enabled = connected,
+                enabled = enabled,
                 trailingIcon = Icons.TwoTone.Edit
             )
         }
@@ -293,7 +294,7 @@ fun ChannelScreen(viewModel: UIViewModel = viewModel()) {
                     ?: painterResource(id = R.drawable.qrcode),
                 contentDescription = stringResource(R.string.qr_code),
                 contentScale = ContentScale.FillWidth,
-                alpha = if (connected) 1f else 0.25f,
+                alpha = if (enabled) 1f else 0.25f,
                 // colorFilter = ColorFilter.colorMatrix(ColorMatrix().apply { setToSaturation(0f) }),
                 modifier = Modifier
                     .fillMaxWidth()
@@ -316,7 +317,7 @@ fun ChannelScreen(viewModel: UIViewModel = viewModel()) {
                     }
                 },
                 modifier = Modifier.fillMaxWidth(),
-                enabled = connected,
+                enabled = enabled,
                 label = { Text("URL") },
                 isError = isError,
                 trailingIcon = {
@@ -362,7 +363,7 @@ fun ChannelScreen(viewModel: UIViewModel = viewModel()) {
 
         item {
             DropDownPreference(title = stringResource(id = R.string.channel_options),
-                enabled = connected,
+                enabled = enabled,
                 items = ChannelOption.values()
                     .map { it.modemPreset to stringResource(it.configRes) },
                 selectedItem = channelSet.loraConfig.modemPreset,
@@ -374,7 +375,7 @@ fun ChannelScreen(viewModel: UIViewModel = viewModel()) {
 
         if (isEditing) item {
             PreferenceFooter(
-                enabled = connected,
+                enabled = enabled,
                 onCancelClicked = {
                     focusManager.clearFocus()
                     channelSet = channels.protobuf
@@ -387,7 +388,7 @@ fun ChannelScreen(viewModel: UIViewModel = viewModel()) {
         } else {
             item {
                 PreferenceFooter(
-                    enabled = connected,
+                    enabled = enabled,
                     negativeText = R.string.reset,
                     onNegativeClicked = {
                         focusManager.clearFocus()
diff --git a/app/src/main/java/com/geeksville/mesh/ui/SettingsFragment.kt b/app/src/main/java/com/geeksville/mesh/ui/SettingsFragment.kt
index df811044..bba925f7 100644
--- a/app/src/main/java/com/geeksville/mesh/ui/SettingsFragment.kt
+++ b/app/src/main/java/com/geeksville/mesh/ui/SettingsFragment.kt
@@ -191,7 +191,7 @@ class SettingsFragment : ScreenFragment("Settings"), Logging {
         // We don't want to be notified of our own changes, so turn off listener while making them
         spinner.setSelection(regionIndex, false)
         spinner.onItemSelectedListener = regionSpinnerListener
-        spinner.isEnabled = true
+        spinner.isEnabled = !model.isManaged
 
         // If actively connected possibly let the user update firmware
         refreshUpdateButton(model.isConnected())
@@ -281,7 +281,7 @@ class SettingsFragment : ScreenFragment("Settings"), Logging {
         spinner.adapter = regionAdapter
 
         model.ownerName.observe(viewLifecycleOwner) { name ->
-            binding.usernameEditText.isEnabled = !name.isNullOrEmpty()
+            binding.usernameEditText.isEnabled = !name.isNullOrEmpty() && !model.isManaged
             binding.usernameEditText.setText(name)
         }
 
diff --git a/app/src/main/java/com/geeksville/mesh/ui/components/config/DeviceConfigItemList.kt b/app/src/main/java/com/geeksville/mesh/ui/components/config/DeviceConfigItemList.kt
index 1b9dc1fc..66e455b2 100644
--- a/app/src/main/java/com/geeksville/mesh/ui/components/config/DeviceConfigItemList.kt
+++ b/app/src/main/java/com/geeksville/mesh/ui/components/config/DeviceConfigItemList.kt
@@ -113,6 +113,16 @@ fun DeviceConfigItemList(
         }
         item { Divider() }
 
+        item {
+            SwitchPreference(title = "Managed mode",
+                checked = deviceInput.isManaged,
+                enabled = enabled,
+                onCheckedChange = {
+                    deviceInput = deviceInput.copy { isManaged = it }
+                })
+        }
+        item { Divider() }
+
         item {
             PreferenceFooter(
                 enabled = deviceInput != deviceConfig,