diff --git a/app/src/main/java/se/ajpanton/notificationsmaster/CardsLayoutFragment.kt b/app/src/main/java/se/ajpanton/notificationsmaster/CardsLayoutFragment.kt
index 6abeca6..c4040ac 100644
--- a/app/src/main/java/se/ajpanton/notificationsmaster/CardsLayoutFragment.kt
+++ b/app/src/main/java/se/ajpanton/notificationsmaster/CardsLayoutFragment.kt
@@ -30,6 +30,11 @@ class CardsLayoutFragment : Fragment(R.layout.fragment_cards_layout) {
             policy.aodCards,
             VisibilityPolicy::aodCards,
         ) { current, settings -> current.copy(aodCards = settings) }
+        if (!DeviceCapabilities.isOneUi) {
+            binding!!.oneUiOnlyNotice.visibility = View.VISIBLE
+            binding!!.oneUiCardsControls.alpha = DISABLED_CONTROL_ALPHA
+            binding!!.oneUiCardsControls.disableRecursively()
+        }
     }
 
     override fun onResume() {
@@ -141,4 +146,5 @@ class CardsLayoutFragment : Fragment(R.layout.fragment_cards_layout) {
     )
 
     private data class NumberStepper(val minus: Button, val value: TextView, val plus: Button)
+
 }
diff --git a/app/src/main/java/se/ajpanton/notificationsmaster/DeviceCapabilities.kt b/app/src/main/java/se/ajpanton/notificationsmaster/DeviceCapabilities.kt
new file mode 100644
index 0000000..d4a7e29
--- /dev/null
+++ b/app/src/main/java/se/ajpanton/notificationsmaster/DeviceCapabilities.kt
@@ -0,0 +1,17 @@
+package se.ajpanton.notificationsmaster
+
+import android.os.Build
+import android.view.View
+import android.view.ViewGroup
+
+object DeviceCapabilities {
+    val isOneUi: Boolean
+        get() = Build.MANUFACTURER.equals("samsung", ignoreCase = true)
+}
+
+internal fun View.disableRecursively() {
+    isEnabled = false
+    if (this is ViewGroup) repeat(childCount) { getChildAt(it).disableRecursively() }
+}
+
+internal const val DISABLED_CONTROL_ALPHA = 0.45f
diff --git a/app/src/main/java/se/ajpanton/notificationsmaster/MiscellaneousFragment.kt b/app/src/main/java/se/ajpanton/notificationsmaster/MiscellaneousFragment.kt
index fa790ca..59a37dc 100644
--- a/app/src/main/java/se/ajpanton/notificationsmaster/MiscellaneousFragment.kt
+++ b/app/src/main/java/se/ajpanton/notificationsmaster/MiscellaneousFragment.kt
@@ -45,6 +45,11 @@ class MiscellaneousFragment : Fragment(R.layout.fragment_miscellaneous) {
         bind(binding!!.showAodBatteryPercent, settings.showAodBatteryPercentWhenUnplugged) { current, checked ->
             current.copy(showAodBatteryPercentWhenUnplugged = checked)
         }
+        if (!DeviceCapabilities.isOneUi) {
+            binding!!.oneUiOnlyNotice.visibility = View.VISIBLE
+            binding!!.oneUiMiscControls.alpha = DISABLED_CONTROL_ALPHA
+            binding!!.oneUiMiscControls.disableRecursively()
+        }
         binding!!.debugMinus10.setOnClickListener { changeDebugCount(-10) }
         binding!!.debugMinus1.setOnClickListener { changeDebugCount(-1) }
         binding!!.debugPlus1.setOnClickListener { changeDebugCount(1) }
@@ -106,4 +111,5 @@ class MiscellaneousFragment : Fragment(R.layout.fragment_miscellaneous) {
         binding?.debugCycle?.isChecked = DebugNotifications.isCycling(context)
         updatingCycle = false
     }
+
 }
diff --git a/app/src/main/res/layout/fragment_cards_layout.xml b/app/src/main/res/layout/fragment_cards_layout.xml
index 79fbe7d..f5ae070 100644
--- a/app/src/main/res/layout/fragment_cards_layout.xml
+++ b/app/src/main/res/layout/fragment_cards_layout.xml
@@ -10,31 +10,47 @@
         android:padding="@dimen/page_padding">
 
         <TextView
+            android:id="@+id/one_ui_only_notice"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:text="These settings apply only to OneUI Cards mode. Icons mode remains rendered by Android."
-            android:textAppearance="?attr/textAppearanceBody2" />
+            android:text="Cards layout is available only on Samsung OneUI devices."
+            android:textAppearance="?attr/textAppearanceBody1"
+            android:textStyle="bold"
+            android:visibility="gone" />
 
-        <TextView
+        <LinearLayout
+            android:id="@+id/one_ui_cards_controls"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_marginTop="24dp"
-            android:text="Lockscreen"
-            android:textAppearance="?attr/textAppearanceHeadline6" />
+            android:orientation="vertical">
 
-        <include
-            android:id="@+id/lockscreen_settings"
-            layout="@layout/include_cards_grid_settings_lockscreen" />
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="These settings apply only to OneUI Cards mode. Icons mode remains rendered by Android."
+                android:textAppearance="?attr/textAppearanceBody2" />
 
-        <TextView
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="28dp"
-            android:text="Always-on display"
-            android:textAppearance="?attr/textAppearanceHeadline6" />
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="24dp"
+                android:text="Lockscreen"
+                android:textAppearance="?attr/textAppearanceHeadline6" />
 
-        <include
-            android:id="@+id/aod_settings"
-            layout="@layout/include_cards_grid_settings_aod" />
+            <include
+                android:id="@+id/lockscreen_settings"
+                layout="@layout/include_cards_grid_settings_lockscreen" />
+
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="28dp"
+                android:text="Always-on display"
+                android:textAppearance="?attr/textAppearanceHeadline6" />
+
+            <include
+                android:id="@+id/aod_settings"
+                layout="@layout/include_cards_grid_settings_aod" />
+        </LinearLayout>
     </LinearLayout>
 </ScrollView>
diff --git a/app/src/main/res/layout/fragment_miscellaneous.xml b/app/src/main/res/layout/fragment_miscellaneous.xml
index 7bd61fb..cbd3736 100644
--- a/app/src/main/res/layout/fragment_miscellaneous.xml
+++ b/app/src/main/res/layout/fragment_miscellaneous.xml
@@ -9,25 +9,41 @@
         android:orientation="vertical"
         android:padding="@dimen/page_padding">
 
-        <com.google.android.material.switchmaterial.SwitchMaterial
-            android:id="@+id/keep_aod_visible_during_calls"
+        <TextView
+            android:id="@+id/one_ui_only_notice"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:text="@string/keep_aod_visible_during_calls" />
+            android:text="The following display options are available only on Samsung OneUI devices."
+            android:textAppearance="?attr/textAppearanceBody1"
+            android:textStyle="bold"
+            android:visibility="gone" />
 
-        <com.google.android.material.switchmaterial.SwitchMaterial
-            android:id="@+id/show_lockscreen_battery_percent"
+        <LinearLayout
+            android:id="@+id/one_ui_misc_controls"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_marginTop="24dp"
-            android:text="@string/show_lockscreen_battery_percent" />
+            android:orientation="vertical">
 
-        <com.google.android.material.switchmaterial.SwitchMaterial
-            android:id="@+id/show_aod_battery_percent"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="24dp"
-            android:text="@string/show_aod_battery_percent" />
+            <com.google.android.material.switchmaterial.SwitchMaterial
+                android:id="@+id/keep_aod_visible_during_calls"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/keep_aod_visible_during_calls" />
+
+            <com.google.android.material.switchmaterial.SwitchMaterial
+                android:id="@+id/show_lockscreen_battery_percent"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="24dp"
+                android:text="@string/show_lockscreen_battery_percent" />
+
+            <com.google.android.material.switchmaterial.SwitchMaterial
+                android:id="@+id/show_aod_battery_percent"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="24dp"
+                android:text="@string/show_aod_battery_percent" />
+        </LinearLayout>
 
         <TextView
             android:layout_width="match_parent"