diff --git a/res/values/strings.xml b/res/values/strings.xml
index c1c6a92781b..8bc30d8c0d6 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -5654,7 +5654,7 @@
     <!-- Summary for the battery high usage tip, which presents battery may run out earlier [CHAR LIMIT=NONE] -->
     <string name="battery_tip_high_usage_summary">Battery may run out earlier than usual</string>
     <!-- Title for the battery limited temporarily tip [CHAR LIMIT=NONE] -->
-    <string name="battery_tip_limited_temporarily_title">Preserving battery health</string>
+    <string name="battery_tip_limited_temporarily_title">Optimizing for battery health</string>
     <!-- Summary for the battery limited temporarily tip [CHAR LIMIT=NONE] -->
     <string name="battery_tip_limited_temporarily_summary">Battery limited temporarily. Tap to learn more.</string>
     <!-- Message for battery tip dialog to show the status about the battery [CHAR LIMIT=NONE] -->
diff --git a/src/com/android/settings/connecteddevice/usb/UsbConnectionBroadcastReceiver.java b/src/com/android/settings/connecteddevice/usb/UsbConnectionBroadcastReceiver.java
index e557847d06e..a203534dded 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbConnectionBroadcastReceiver.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbConnectionBroadcastReceiver.java
@@ -72,6 +72,9 @@ public class UsbConnectionBroadcastReceiver extends BroadcastReceiver implements
             if (intent.getExtras().getBoolean(UsbManager.USB_FUNCTION_RNDIS)) {
                 functions |= UsbManager.FUNCTION_RNDIS;
             }
+            if (intent.getExtras().getBoolean(UsbManager.USB_FUNCTION_ACCESSORY)) {
+                functions |= UsbManager.FUNCTION_ACCESSORY;
+            }
             mFunctions = functions;
             mDataRole = mUsbBackend.getDataRole();
             mPowerRole = mUsbBackend.getPowerRole();
diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java
index 31bca1241ec..99e9d50be32 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java
@@ -22,6 +22,7 @@ import static android.net.ConnectivityManager.TETHERING_USB;
 import android.content.Context;
 import android.hardware.usb.UsbManager;
 import android.net.ConnectivityManager;
+import android.util.Log;
 
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.PreferenceCategory;
@@ -40,6 +41,9 @@ import java.util.Map;
 public class UsbDetailsFunctionsController extends UsbDetailsController
         implements RadioButtonPreference.OnClickListener {
 
+    private static final String TAG = "UsbFunctionsCtrl";
+    private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
+
     static final Map<Long, Integer> FUNCTIONS_MAP = new LinkedHashMap<>();
 
     static {
@@ -88,6 +92,10 @@ public class UsbDetailsFunctionsController extends UsbDetailsController
 
     @Override
     protected void refresh(boolean connected, long functions, int powerRole, int dataRole) {
+        if (DEBUG) {
+            Log.d(TAG, "refresh() connected : " + connected + ", functions : " + functions
+                    + ", powerRole : " + powerRole + ", dataRole : " + dataRole);
+        }
         if (!connected || dataRole != DATA_ROLE_DEVICE) {
             mProfilesContainer.setEnabled(false);
         } else {
@@ -100,7 +108,11 @@ public class UsbDetailsFunctionsController extends UsbDetailsController
             pref = getProfilePreference(UsbBackend.usbFunctionsToString(option), title);
             // Only show supported options
             if (mUsbBackend.areFunctionsSupported(option)) {
-                pref.setChecked(functions == option);
+                if (isAccessoryMode(functions)) {
+                    pref.setChecked(UsbManager.FUNCTION_MTP == option);
+                } else {
+                    pref.setChecked(functions == option);
+                }
             } else {
                 mProfilesContainer.removePreference(pref);
             }
@@ -111,7 +123,14 @@ public class UsbDetailsFunctionsController extends UsbDetailsController
     public void onRadioButtonClicked(RadioButtonPreference preference) {
         final long function = UsbBackend.usbFunctionsFromString(preference.getKey());
         final long previousFunction = mUsbBackend.getCurrentFunctions();
-        if (function != previousFunction && !Utils.isMonkeyRunning()) {
+        if (DEBUG) {
+            Log.d(TAG, "onRadioButtonClicked() function : " + function + ", toString() : "
+                    + UsbManager.usbFunctionsToString(function) + ", previousFunction : "
+                    + previousFunction + ", toString() : "
+                    + UsbManager.usbFunctionsToString(previousFunction));
+        }
+        if (function != previousFunction && !Utils.isMonkeyRunning()
+                && !shouldIgnoreClickEvent(function, previousFunction)) {
             mPreviousFunction = previousFunction;
 
             //Update the UI in advance to make it looks smooth
@@ -134,6 +153,14 @@ public class UsbDetailsFunctionsController extends UsbDetailsController
         }
     }
 
+    private boolean shouldIgnoreClickEvent(long function, long previousFunction) {
+        return isAccessoryMode(previousFunction) && function == UsbManager.FUNCTION_MTP;
+    }
+
+    private boolean isAccessoryMode(long function) {
+        return (function & UsbManager.FUNCTION_ACCESSORY) != 0;
+    }
+
     @Override
     public boolean isAvailable() {
         return !Utils.isMonkeyRunning();
diff --git a/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsControllerTest.java b/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsControllerTest.java
index 3a6eec0fd89..3ea27562eb8 100644
--- a/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsControllerTest.java
+++ b/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsControllerTest.java
@@ -153,6 +153,19 @@ public class UsbDetailsFunctionsControllerTest {
         assertThat(prefs.get(0).isChecked()).isTrue();
     }
 
+    @Test
+    public void displayRefresh_accessoryEnabled_shouldCheckSwitches() {
+        when(mUsbBackend.areFunctionsSupported(anyLong())).thenReturn(true);
+
+        mDetailsFunctionsController.refresh(true, UsbManager.FUNCTION_ACCESSORY, POWER_ROLE_SINK,
+                DATA_ROLE_DEVICE);
+        List<RadioButtonPreference> prefs = getRadioPreferences();
+
+        assertThat(prefs.get(0).getKey())
+                .isEqualTo(UsbBackend.usbFunctionsToString(UsbManager.FUNCTION_MTP));
+        assertThat(prefs.get(0).isChecked()).isTrue();
+    }
+
     @Test
     public void onClickMtp_noneEnabled_shouldEnableMtp() {
         when(mUsbBackend.areFunctionsSupported(anyLong())).thenReturn(true);
@@ -250,6 +263,30 @@ public class UsbDetailsFunctionsControllerTest {
                 UsbManager.FUNCTION_MTP);
     }
 
+    @Test
+    public void onRadioButtonClicked_functionMtp_inAccessoryMode_doNothing() {
+        mRadioButtonPreference.setKey(UsbBackend.usbFunctionsToString(UsbManager.FUNCTION_MTP));
+        doReturn(UsbManager.FUNCTION_ACCESSORY).when(mUsbBackend).getCurrentFunctions();
+
+        mDetailsFunctionsController.mPreviousFunction = UsbManager.FUNCTION_ACCESSORY;
+        mDetailsFunctionsController.onRadioButtonClicked(mRadioButtonPreference);
+
+        assertThat(mDetailsFunctionsController.mPreviousFunction).isEqualTo(
+                UsbManager.FUNCTION_ACCESSORY);
+    }
+
+    @Test
+    public void onRadioButtonClicked_functionMtp_inAccessoryCombinationsMode_doNothing() {
+        final long function = UsbManager.FUNCTION_ACCESSORY | UsbManager.FUNCTION_AUDIO_SOURCE;
+        mRadioButtonPreference.setKey(UsbBackend.usbFunctionsToString(UsbManager.FUNCTION_MTP));
+        doReturn(UsbManager.FUNCTION_ACCESSORY).when(mUsbBackend).getCurrentFunctions();
+
+        mDetailsFunctionsController.mPreviousFunction = function;
+        mDetailsFunctionsController.onRadioButtonClicked(mRadioButtonPreference);
+
+        assertThat(mDetailsFunctionsController.mPreviousFunction).isEqualTo(function);
+    }
+
     @Test
     public void onRadioButtonClicked_clickSameButton_doNothing() {
         mRadioButtonPreference.setKey(UsbBackend.usbFunctionsToString(UsbManager.FUNCTION_PTP));