diff --git a/src/com/android/settings/network/telephony/NetworkOperatorPreference.java b/src/com/android/settings/network/telephony/NetworkOperatorPreference.java
index fd57bf59b1a..a334aeb72fb 100644
--- a/src/com/android/settings/network/telephony/NetworkOperatorPreference.java
+++ b/src/com/android/settings/network/telephony/NetworkOperatorPreference.java
@@ -50,6 +50,7 @@ public class NetworkOperatorPreference extends Preference {
     private List<String> mForbiddenPlmns;
     private int mLevel = LEVEL_NONE;
     private boolean mShow4GForLTE;
+    private boolean mUseNewApi;
 
     // The following constants are used to draw signal icon.
     private static final Drawable EMPTY_DRAWABLE = new ColorDrawable(Color.TRANSPARENT);
@@ -61,6 +62,8 @@ public class NetworkOperatorPreference extends Preference {
         mCellInfo = cellinfo;
         mForbiddenPlmns = forbiddenPlmns;
         mShow4GForLTE = show4GForLTE;
+        mUseNewApi = context.getResources().getBoolean(
+                com.android.internal.R.bool.config_enableNewAutoSelectNetworkUI);
         refresh();
     }
 
@@ -114,7 +117,9 @@ public class NetworkOperatorPreference extends Preference {
     }
 
     private void updateIcon(int level) {
-        if (level < 0 || level >= NUMBER_OF_LEVELS) return;
+        if (!mUseNewApi || level < 0 || level >= NUMBER_OF_LEVELS) {
+            return;
+        }
         Context context = getContext();
         SignalDrawable signalDrawable = new SignalDrawable(getContext());
         signalDrawable.setLevel(
diff --git a/tests/robotests/src/com/android/settings/network/telephony/NetworkOperatorPreferenceTest.java b/tests/robotests/src/com/android/settings/network/telephony/NetworkOperatorPreferenceTest.java
new file mode 100644
index 00000000000..704dd95f00c
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/network/telephony/NetworkOperatorPreferenceTest.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.network.telephony;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.drawable.Drawable;
+import android.telephony.CellInfo;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+import java.util.ArrayList;
+
+@RunWith(RobolectricTestRunner.class)
+public class NetworkOperatorPreferenceTest {
+    private static final int LEVEL = 2;
+
+    @Mock
+    private Resources mResources;
+    @Mock
+    private CellInfo mCellInfo;
+    private Context mContext;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = spy(RuntimeEnvironment.application);
+        when(mContext.getResources()).thenReturn(mResources);
+    }
+
+    @Test
+    public void setIcon_useOldApi_doNothing() {
+        when(mResources.getBoolean(com.android.internal.R.bool.config_enableNewAutoSelectNetworkUI))
+                .thenReturn(false);
+        final NetworkOperatorPreference preference = spy(
+                new NetworkOperatorPreference(mCellInfo, mContext,
+                        new ArrayList<>() /* forbiddenPlmns */, false /* show4GForLTE */));
+
+        preference.setIcon(LEVEL);
+
+        verify(preference, never()).setIcon(any(Drawable.class));
+    }
+}