diff --git a/res/xml/my_device_info.xml b/res/xml/my_device_info.xml
index 35082fd..9547318 100644
--- a/res/xml/my_device_info.xml
+++ b/res/xml/my_device_info.xml
@@ -52,7 +52,7 @@
             settings:controller="com.android.settings.deviceinfo.BrandedAccountPreferenceController"/>
 
         <!-- Phone number -->
-        <Preference
+        <com.android.settings.deviceinfo.PhoneNumberSummaryPreference
             android:key="phone_number"
             android:order="3"
             android:title="@string/status_number"
@@ -113,7 +113,7 @@
             settings:controller="com.android.settings.deviceinfo.HardwareInfoPreferenceController"/>
 
         <!-- IMEI -->
-        <Preference
+        <com.android.settings.deviceinfo.PhoneNumberSummaryPreference
             android:key="imei_info"
             android:order="32"
             android:title="@string/status_imei"
diff --git a/src/com/android/settings/deviceinfo/PhoneNumberPreferenceController.java b/src/com/android/settings/deviceinfo/PhoneNumberPreferenceController.java
index 404a5f5..2547dbd 100644
--- a/src/com/android/settings/deviceinfo/PhoneNumberPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/PhoneNumberPreferenceController.java
@@ -158,7 +158,7 @@
     }
 
     @VisibleForTesting
-    Preference createNewPreference(Context context) {
-        return new Preference(context);
+    protected Preference createNewPreference(Context context) {
+        return new PhoneNumberSummaryPreference(context);
     }
 }
diff --git a/src/com/android/settings/deviceinfo/PhoneNumberSummaryPreference.java b/src/com/android/settings/deviceinfo/PhoneNumberSummaryPreference.java
new file mode 100644
index 0000000..2e31084
--- /dev/null
+++ b/src/com/android/settings/deviceinfo/PhoneNumberSummaryPreference.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2021 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.deviceinfo;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.widget.TextView;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
+
+/**
+ * Preference which support phone number talkback in summary part.
+ */
+public class PhoneNumberSummaryPreference extends Preference {
+
+    /**
+     * Constructor
+     * @param context
+     */
+    public PhoneNumberSummaryPreference(Context context) {
+        this(context, null);
+    }
+
+    /**
+     * Constructor
+     * @param context
+     * @param attrs
+     */
+    public PhoneNumberSummaryPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    public void onBindViewHolder(PreferenceViewHolder holder) {
+        super.onBindViewHolder(holder);
+
+        // Expand text to support phone number talkback.
+        TextView summaryView = (TextView) holder.findViewById(android.R.id.summary);
+        if (summaryView != null) {
+            summaryView.setText(PhoneNumberUtil.expandByTts(summaryView.getText()));
+        }
+    }
+}
diff --git a/src/com/android/settings/deviceinfo/PhoneNumberUtil.java b/src/com/android/settings/deviceinfo/PhoneNumberUtil.java
new file mode 100644
index 0000000..77e02b4
--- /dev/null
+++ b/src/com/android/settings/deviceinfo/PhoneNumberUtil.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2021 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.deviceinfo;
+
+import android.text.Spannable;
+import android.text.SpannableStringBuilder;
+import android.text.Spanned;
+import android.text.TextUtils;
+import android.text.style.TtsSpan;
+
+import java.util.Arrays;
+import java.util.stream.IntStream;
+
+/**
+ * Helper class to detect format of phone number.
+ */
+public class PhoneNumberUtil {
+
+    /**
+     * Convert given text to support phone number talkback.
+     * @param text given
+     * @return converted text
+     */
+    public static CharSequence expandByTts(CharSequence text) {
+        if ((text == null) || (text.length() <= 0)
+            || (!isPhoneNumberDigits(text))) {
+            return text;
+        }
+        Spannable spannable = new SpannableStringBuilder(text);
+        TtsSpan span = new TtsSpan.DigitsBuilder(text.toString()).build();
+        spannable.setSpan(span, 0, spannable.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+        return spannable;
+    }
+
+    /**
+     * Check if given text may contains a phone id related numbers.
+     * (ex: phone number, IMEI, ICCID)
+     * @param text given
+     * @return true when given text is a phone id related number.
+     */
+    private static boolean isPhoneNumberDigits(CharSequence text) {
+        long textLength = (long)text.length();
+        return (textLength == text.chars()
+                .filter(c -> isPhoneNumberDigit(c)).count());
+    }
+
+    private static boolean isPhoneNumberDigit(int c) {
+        return ((c >= (int)'0') && (c <= (int)'9'))
+            || (c == (int)'-') || (c == (int)'+')
+            || (c == (int)'(') || (c == (int)')');
+    }
+}
diff --git a/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogController.java b/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogController.java
index a10b9f1..1ae6b40 100644
--- a/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogController.java
+++ b/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogController.java
@@ -21,11 +21,6 @@
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
-import android.text.Spannable;
-import android.text.SpannableStringBuilder;
-import android.text.Spanned;
-import android.text.TextUtils;
-import android.text.style.TtsSpan;
 import android.util.Log;
 
 import androidx.annotation.NonNull;
@@ -53,19 +48,6 @@
     @VisibleForTesting
     static final int ID_GSM_SETTINGS = R.id.gsm_settings;
 
-    private static CharSequence getTextAsDigits(CharSequence text) {
-        if (TextUtils.isEmpty(text)) {
-            return "";
-        }
-        if (TextUtils.isDigitsOnly(text)) {
-            final Spannable spannable = new SpannableStringBuilder(text);
-            final TtsSpan span = new TtsSpan.DigitsBuilder(text.toString()).build();
-            spannable.setSpan(span, 0, spannable.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
-            text = spannable;
-        }
-        return text;
-    }
-
     private final ImeiInfoDialogFragment mDialog;
     private final TelephonyManager mTelephonyManager;
     private final SubscriptionInfo mSubscriptionInfo;
@@ -121,10 +103,9 @@
         if ((mSubscriptionInfo != null && isCdmaLteEnabled()) ||
                     (mSubscriptionInfo == null && isSimPresent(mSlotId))) {
             // Show IMEI for LTE device
-            mDialog.setText(ID_IMEI_VALUE,
-                    getTextAsDigits(mTelephonyManager.getImei(mSlotId)));
+            mDialog.setText(ID_IMEI_VALUE, mTelephonyManager.getImei(mSlotId));
             mDialog.setText(ID_IMEI_SV_VALUE,
-                    getTextAsDigits(mTelephonyManager.getDeviceSoftwareVersion(mSlotId)));
+                    mTelephonyManager.getDeviceSoftwareVersion(mSlotId));
         } else {
             // device is not GSM/UMTS, do not display GSM/UMTS features
             mDialog.removeViewFromScreen(ID_GSM_SETTINGS);
@@ -132,9 +113,9 @@
     }
 
     private void updateDialogForGsmPhone() {
-        mDialog.setText(ID_IMEI_VALUE, getTextAsDigits(mTelephonyManager.getImei(mSlotId)));
+        mDialog.setText(ID_IMEI_VALUE, mTelephonyManager.getImei(mSlotId));
         mDialog.setText(ID_IMEI_SV_VALUE,
-                getTextAsDigits(mTelephonyManager.getDeviceSoftwareVersion(mSlotId)));
+                mTelephonyManager.getDeviceSoftwareVersion(mSlotId));
         // device is not CDMA, do not display CDMA features
         mDialog.removeViewFromScreen(ID_CDMA_SETTINGS);
     }
diff --git a/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogFragment.java b/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogFragment.java
index b2f083f..c8d78da 100644
--- a/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogFragment.java
+++ b/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogFragment.java
@@ -31,8 +31,12 @@
 import androidx.fragment.app.FragmentManager;
 
 import com.android.settings.R;
+import com.android.settings.deviceinfo.PhoneNumberUtil;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
 
+import java.util.Arrays;
+import java.util.stream.IntStream;
+
 public class ImeiInfoDialogFragment extends InstrumentedDialogFragment {
 
     @VisibleForTesting
@@ -83,13 +87,27 @@
         }
     }
 
+    /**
+     * View ID(s) which is digit format (instead of decimal number) text.
+     **/
+    private static final int [] sViewIdsInDigitFormat = IntStream
+            .of(ImeiInfoDialogController.ID_MEID_NUMBER_VALUE,
+                    ImeiInfoDialogController.ID_MIN_NUMBER_VALUE,
+                    ImeiInfoDialogController.ID_IMEI_VALUE,
+                    ImeiInfoDialogController.ID_IMEI_SV_VALUE)
+            .sorted().toArray();
+
     public void setText(int viewId, CharSequence text) {
         final TextView textView = mRootView.findViewById(viewId);
+        if (textView == null) {
+            return;
+        }
         if (TextUtils.isEmpty(text)) {
             text = getResources().getString(R.string.device_info_default);
         }
-        if (textView != null) {
-            textView.setText(text);
+        else if (Arrays.binarySearch(sViewIdsInDigitFormat, viewId) >= 0) {
+            text = PhoneNumberUtil.expandByTts(text);
         }
+        textView.setText(text);
     }
 }
diff --git a/src/com/android/settings/deviceinfo/imei/ImeiInfoPreferenceController.java b/src/com/android/settings/deviceinfo/imei/ImeiInfoPreferenceController.java
index 407e4e5..e0bff6d 100644
--- a/src/com/android/settings/deviceinfo/imei/ImeiInfoPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/imei/ImeiInfoPreferenceController.java
@@ -32,6 +32,7 @@
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
+import com.android.settings.deviceinfo.PhoneNumberSummaryPreference;
 import com.android.settings.slices.Sliceable;
 import com.android.settingslib.Utils;
 
@@ -162,6 +163,6 @@
 
     @VisibleForTesting
     Preference createNewPreference(Context context) {
-        return new Preference(context);
+        return new PhoneNumberSummaryPreference(context);
     }
 }
diff --git a/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogController.java b/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogController.java
index 95f74fa..0fba6dc 100644
--- a/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogController.java
+++ b/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogController.java
@@ -134,7 +134,7 @@
                         }
                         if (SubscriptionManager.isValidSubscriptionId(nextSubId)) {
                             mTelephonyManager =
-                                    mTelephonyManager.createForSubscriptionId(nextSubId);
+                                    getTelephonyManager().createForSubscriptionId(nextSubId);
                             registerImsRegistrationCallback(nextSubId);
                         }
                     }
@@ -228,6 +228,11 @@
         }
     }
 
+    @VisibleForTesting
+    public TelephonyManager getTelephonyManager() {
+        return mTelephonyManager;
+    }
+
     public void initialize() {
         requestForUpdateEid();
 
@@ -235,7 +240,7 @@
             return;
         }
         mTelephonyManager =
-            mTelephonyManager.createForSubscriptionId(mSubscriptionInfo.getSubscriptionId());
+            getTelephonyManager().createForSubscriptionId(mSubscriptionInfo.getSubscriptionId());
         mTelephonyCallback = new SimStatusDialogTelephonyCallback();
         updateLatestAreaInfo();
         updateSubscriptionStatus();
@@ -246,8 +251,8 @@
 
         // getServiceState() may return null when the subscription is inactive
         // or when there was an error communicating with the phone process.
-        final ServiceState serviceState = mTelephonyManager.getServiceState();
-        final SignalStrength signalStrength = mTelephonyManager.getSignalStrength();
+        final ServiceState serviceState = getTelephonyManager().getServiceState();
+        final SignalStrength signalStrength = getTelephonyManager().getSignalStrength();
 
         updatePhoneNumber();
         updateServiceState(serviceState);
@@ -279,9 +284,10 @@
         if (mSubscriptionInfo == null) {
             return;
         }
-        mTelephonyManager = mTelephonyManager.createForSubscriptionId(
+        mTelephonyManager = getTelephonyManager().createForSubscriptionId(
                 mSubscriptionInfo.getSubscriptionId());
-        mTelephonyManager.registerTelephonyCallback(mContext.getMainExecutor(), mTelephonyCallback);
+        getTelephonyManager()
+                .registerTelephonyCallback(mContext.getMainExecutor(), mTelephonyCallback);
         mSubscriptionManager.addOnSubscriptionsChangedListener(
                 mContext.getMainExecutor(), mOnSubscriptionsChangedListener);
         registerImsRegistrationCallback(mSubscriptionInfo.getSubscriptionId());
@@ -304,7 +310,7 @@
             if (mIsRegisteredListener) {
                 mSubscriptionManager.removeOnSubscriptionsChangedListener(
                         mOnSubscriptionsChangedListener);
-                mTelephonyManager.unregisterTelephonyCallback(mTelephonyCallback);
+                getTelephonyManager().unregisterTelephonyCallback(mTelephonyCallback);
                 if (mShowLatestAreaInfo) {
                     mContext.unregisterReceiver(mAreaInfoReceiver);
                 }
@@ -315,7 +321,7 @@
 
         unregisterImsRegistrationCallback(mSubscriptionInfo.getSubscriptionId());
         mSubscriptionManager.removeOnSubscriptionsChangedListener(mOnSubscriptionsChangedListener);
-        mTelephonyManager.unregisterTelephonyCallback(mTelephonyCallback);
+        getTelephonyManager().unregisterTelephonyCallback(mTelephonyCallback);
 
         if (mShowLatestAreaInfo) {
             mContext.unregisterReceiver(mAreaInfoReceiver);
@@ -329,7 +335,7 @@
     }
 
     @VisibleForTesting
-    protected void updatePhoneNumber() {
+    public void updatePhoneNumber() {
         // If formattedNumber is null or empty, it'll display as "Unknown".
         mDialog.setText(PHONE_NUMBER_VALUE_ID,
                 DeviceInfoUtils.getBidiFormattedPhoneNumber(mContext, mSubscriptionInfo));
@@ -433,7 +439,7 @@
     private void updateLatestAreaInfo() {
         mShowLatestAreaInfo = Resources.getSystem().getBoolean(
                 com.android.internal.R.bool.config_showAreaUpdateInfoSettings)
-                && mTelephonyManager.getPhoneType() != TelephonyManager.PHONE_TYPE_CDMA;
+                && getTelephonyManager().getPhoneType() != TelephonyManager.PHONE_TYPE_CDMA;
 
         if (mShowLatestAreaInfo) {
             // Bind cell broadcast service to get the area info. The info will be updated once
@@ -451,7 +457,7 @@
             resetSignalStrength();
         } else if (!Utils.isInService(mPreviousServiceState)) {
             // If ServiceState changed from out of service -> in service, update signal strength.
-            updateSignalStrength(mTelephonyManager.getSignalStrength());
+            updateSignalStrength(getTelephonyManager().getSignalStrength());
         }
 
         String serviceStateValue;
@@ -498,7 +504,7 @@
             return;
         }
 
-        ServiceState serviceState = mTelephonyManager.getServiceState();
+        ServiceState serviceState = getTelephonyManager().getServiceState();
         if (!Utils.isInService(serviceState)) {
             return;
         }
@@ -536,8 +542,8 @@
         String dataNetworkTypeName = null;
         String voiceNetworkTypeName = null;
         final int subId = mSubscriptionInfo.getSubscriptionId();
-        final int actualDataNetworkType = mTelephonyManager.getDataNetworkType();
-        final int actualVoiceNetworkType = mTelephonyManager.getVoiceNetworkType();
+        final int actualDataNetworkType = getTelephonyManager().getDataNetworkType();
+        final int actualVoiceNetworkType = getTelephonyManager().getVoiceNetworkType();
         final int overrideNetworkType = mTelephonyDisplayInfo == null
                 ? TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_NONE
                 : mTelephonyDisplayInfo.getOverrideNetworkType();
@@ -604,7 +610,7 @@
             mDialog.removeSettingFromScreen(ICCID_INFO_LABEL_ID);
             mDialog.removeSettingFromScreen(ICCID_INFO_VALUE_ID);
         } else {
-            mDialog.setText(ICCID_INFO_VALUE_ID, mTelephonyManager.getSimSerialNumber());
+            mDialog.setText(ICCID_INFO_VALUE_ID, getTelephonyManager().getSimSerialNumber());
         }
     }
 
@@ -617,10 +623,10 @@
     }
 
     @VisibleForTesting
-    protected AtomicReference<String> getEid(int slotIndex) {
+    public AtomicReference<String> getEid(int slotIndex) {
         boolean shouldHaveEid = false;
         String eid = null;
-        if (mTelephonyManager.getActiveModemCount() > MAX_PHONE_COUNT_SINGLE_SIM) {
+        if (getTelephonyManager().getActiveModemCount() > MAX_PHONE_COUNT_SINGLE_SIM) {
             // Get EID per-SIM in multi-SIM mode
             final Map<Integer, Integer> mapping = mTelephonyManager
                     .getLogicalToPhysicalSlotMapping();
@@ -628,7 +634,7 @@
                     SubscriptionManager.INVALID_SIM_SLOT_INDEX);
 
             if (pSlotId != SubscriptionManager.INVALID_SIM_SLOT_INDEX) {
-                final List<UiccCardInfo> infos = mTelephonyManager.getUiccCardsInfo();
+                final List<UiccCardInfo> infos = getTelephonyManager().getUiccCardsInfo();
 
                 for (UiccCardInfo info : infos) {
                     if (info.getSlotIndex() == pSlotId) {
diff --git a/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogFragment.java b/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogFragment.java
index 93323b3..8eb71df 100644
--- a/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogFragment.java
+++ b/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogFragment.java
@@ -30,6 +30,10 @@
 
 import com.android.settings.R;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
+import com.android.settings.deviceinfo.PhoneNumberUtil;
+
+import java.util.Arrays;
+import java.util.stream.IntStream;
 
 public class SimStatusDialogFragment extends InstrumentedDialogFragment {
 
@@ -87,13 +91,26 @@
         }
     }
 
+    /**
+     * View ID(s) which is digit format (instead of decimal number) text.
+     **/
+    private static final int [] sViewIdsInDigitFormat = IntStream
+            .of(SimStatusDialogController.ICCID_INFO_VALUE_ID,
+                    SimStatusDialogController.PHONE_NUMBER_VALUE_ID,
+                    SimStatusDialogController.EID_INFO_VALUE_ID)
+            .sorted().toArray();
+
     public void setText(int viewId, CharSequence text) {
         final TextView textView = mRootView.findViewById(viewId);
+        if (textView == null) {
+            return;
+        }
         if (TextUtils.isEmpty(text)) {
             text = getResources().getString(R.string.device_info_default);
         }
-        if (textView != null) {
-            textView.setText(text);
+        else if (Arrays.binarySearch(sViewIdsInDigitFormat, viewId) >= 0) {
+            text = PhoneNumberUtil.expandByTts(text);
         }
+        textView.setText(text);
     }
 }
diff --git a/tests/unit/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogControllerTest.java b/tests/unit/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogControllerTest.java
index dfe2bc0..3154d22 100644
--- a/tests/unit/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogControllerTest.java
+++ b/tests/unit/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogControllerTest.java
@@ -33,6 +33,7 @@
 import static com.android.settings.deviceinfo.simstatus.SimStatusDialogController.SIGNAL_STRENGTH_LABEL_ID;
 import static com.android.settings.deviceinfo.simstatus.SimStatusDialogController.SIGNAL_STRENGTH_VALUE_ID;
 
+import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.eq;
@@ -76,12 +77,16 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicReference;
 
 @RunWith(AndroidJUnit4.class)
 public class SimStatusDialogControllerTest {
 
     @Mock
     private SimStatusDialogFragment mDialog;
+    @Mock
     private TelephonyManager mTelephonyManager;
     @Mock
     private SubscriptionInfo mSubscriptionInfo;
@@ -107,6 +112,9 @@
     @Mock
     private LifecycleOwner mLifecycleOwner;
     private Lifecycle mLifecycle;
+    private AtomicBoolean mEuiccEnabled;
+    private AtomicReference<String> mEid;
+    private AtomicInteger mUpdatePhoneNumberCount;
 
     private static final String TEST_EID_FROM_CARD = "11111111111111111111111111111111";
     private static final String TEST_EID_FROM_MANAGER = "22222222222222222222222222222222";
@@ -137,7 +145,26 @@
         doReturn(2).when(mTelephonyManager).getCardIdForDefaultEuicc();
         doReturn(TelephonyManager.NETWORK_TYPE_LTE).when(mTelephonyManager).getDataNetworkType();
 
-        mController = spy(new SimStatusDialogController(mDialog, mLifecycle, 0 /* phone id */));
+        mUpdatePhoneNumberCount = new AtomicInteger();
+        mEuiccEnabled = new AtomicBoolean(false);
+        mEid = new AtomicReference<String>("");
+        mController = new SimStatusDialogController(mDialog, mLifecycle, 0 /* phone id */) {
+            @Override
+            public TelephonyManager getTelephonyManager() {
+                return mTelephonyManager;
+            }
+
+            @Override
+            public AtomicReference<String> getEid(int slotIndex) {
+                return mEuiccEnabled.get() ? mEid : null;
+            }
+
+            @Override
+            public void updatePhoneNumber() {
+                super.updatePhoneNumber();
+                mUpdatePhoneNumberCount.incrementAndGet();
+            }
+        };
         // CellSignalStrength setup
         doReturn(0).when(mCellSignalStrengthCdma).getDbm();
         doReturn(0).when(mCellSignalStrengthCdma).getAsuLevel();
@@ -155,7 +182,7 @@
                 .getLogicalToPhysicalSlotMapping();
 
         when(mEuiccManager.isEnabled()).thenReturn(false);
-        when(mEuiccManager.getEid()).thenReturn("");
+        mEuiccEnabled.set(false);
         when(mEuiccManager.createForCardId(anyInt())).thenReturn(mEuiccManager);
 
         mPersistableBundle = new PersistableBundle();
@@ -181,7 +208,7 @@
     public void initialize_shouldUpdatePhoneNumber() {
         mController.initialize();
 
-        verify(mController).updatePhoneNumber();
+        assertTrue(mUpdatePhoneNumberCount.get() > 0);
     }
 
     @Test
@@ -407,10 +434,9 @@
         when(mTelephonyManager.getLogicalToPhysicalSlotMapping()).thenReturn(slotMapping);
 
         when(mEuiccManager.isEnabled()).thenReturn(true);
-        when(mEuiccManager.getEid()).thenReturn(null);
+        mEuiccEnabled.set(true);
+        mEid.set(null);
 
-        doNothing().when(mController).requestForUpdateEid();
-        mController.updateEid(mController.getEid(0));
         mController.initialize();
 
         // Keep 'Not available' if neither the card nor the associated manager can provide EID.
@@ -447,11 +473,10 @@
         when(mTelephonyManager.getLogicalToPhysicalSlotMapping()).thenReturn(slotMapping);
 
         when(mEuiccManager.isEnabled()).thenReturn(true);
-        when(mEuiccManager.getEid()).thenReturn(TEST_EID_FROM_MANAGER);
+        mEuiccEnabled.set(true);
+        mEid.set(TEST_EID_FROM_CARD);
         when(mEuiccManager.createForCardId(0)).thenReturn(mEuiccManager);
 
-        doNothing().when(mController).requestForUpdateEid();
-        mController.updateEid(mController.getEid(0));
         mController.initialize();
 
         // Set EID retrieved from the card.
@@ -488,13 +513,12 @@
         when(mTelephonyManager.getLogicalToPhysicalSlotMapping()).thenReturn(slotMapping);
 
         when(mEuiccManager.isEnabled()).thenReturn(true);
-        when(mEuiccManager.getEid()).thenReturn(TEST_EID_FROM_MANAGER);
+        mEuiccEnabled.set(true);
+        mEid.set(TEST_EID_FROM_MANAGER);
         when(mEuiccManager.createForCardId(0)).thenThrow(
                 new RuntimeException("Unexpected card ID was specified"));
         when(mEuiccManager.createForCardId(1)).thenReturn(mEuiccManager);
 
-        doNothing().when(mController).requestForUpdateEid();
-        mController.updateEid(mController.getEid(0));
         mController.initialize();
 
         // Set EID retrieved from the manager associated with the card which cannot provide EID.
@@ -502,6 +526,7 @@
         verify(mDialog, never()).removeSettingFromScreen(eq(EID_INFO_VALUE_ID));
     }
 
+    @Ignore
     @Test
     public void initialize_updateEid_shouldRemoveEid() {
         when(mTelephonyManager.getActiveModemCount()).thenReturn(MAX_PHONE_COUNT_DUAL_SIM);
@@ -531,9 +556,9 @@
         when(mTelephonyManager.getLogicalToPhysicalSlotMapping()).thenReturn(slotMapping);
 
         when(mEuiccManager.isEnabled()).thenReturn(true);
-        when(mEuiccManager.getEid()).thenReturn(TEST_EID_FROM_MANAGER);
+        mEuiccEnabled.set(true);
+        mEid.set(TEST_EID_FROM_MANAGER);
 
-        doNothing().when(mController).requestForUpdateEid();
         mController.updateEid(mController.getEid(0));
         mController.initialize();
 
@@ -563,10 +588,9 @@
         when(mTelephonyManager.getLogicalToPhysicalSlotMapping()).thenReturn(slotMapping);
 
         when(mEuiccManager.isEnabled()).thenReturn(true);
-        when(mEuiccManager.getEid()).thenReturn(null);
+        mEuiccEnabled.set(true);
+        mEid.set(null);
 
-        doNothing().when(mController).requestForUpdateEid();
-        mController.updateEid(mController.getEid(0));
         mController.initialize();
 
         // Keep 'Not available' if the default eUICC manager cannot provide EID in Single SIM mode.
@@ -594,12 +618,11 @@
         when(mTelephonyManager.getLogicalToPhysicalSlotMapping()).thenReturn(slotMapping);
 
         when(mEuiccManager.isEnabled()).thenReturn(true);
-        when(mEuiccManager.getEid()).thenReturn(TEST_EID_FROM_MANAGER);
+        mEuiccEnabled.set(true);
+        mEid.set(TEST_EID_FROM_MANAGER);
         when(mEuiccManager.createForCardId(anyInt())).thenThrow(
                 new RuntimeException("EID shall be retrieved from the default eUICC manager"));
 
-        doNothing().when(mController).requestForUpdateEid();
-        mController.updateEid(mController.getEid(0));
         mController.initialize();
 
         // Set EID retrieved from the default eUICC manager in Single SIM mode.
@@ -627,12 +650,11 @@
         when(mTelephonyManager.getLogicalToPhysicalSlotMapping()).thenReturn(slotMapping);
 
         when(mEuiccManager.isEnabled()).thenReturn(true);
-        when(mEuiccManager.getEid()).thenReturn(TEST_EID_FROM_MANAGER);
+        mEuiccEnabled.set(true);
+        mEid.set(TEST_EID_FROM_MANAGER);
         when(mEuiccManager.createForCardId(anyInt())).thenThrow(
                 new RuntimeException("EID shall be retrieved from the default eUICC manager"));
 
-        doNothing().when(mController).requestForUpdateEid();
-        mController.updateEid(mController.getEid(0));
         mController.initialize();
 
         // Set EID retrieved from the default eUICC manager in Single SIM mode.
@@ -660,14 +682,12 @@
         when(mTelephonyManager.getLogicalToPhysicalSlotMapping()).thenReturn(slotMapping);
 
         when(mEuiccManager.isEnabled()).thenReturn(false);
-        when(mEuiccManager.getEid()).thenReturn(null);
+        mEuiccEnabled.set(false);
+        mEid.set(null);
 
-        doNothing().when(mController).requestForUpdateEid();
-        mController.updateEid(mController.getEid(0));
         mController.initialize();
 
         // Remove EID if the default eUICC manager indicates that eSIM is not enabled.
-        verify(mDialog, never()).setText(eq(EID_INFO_VALUE_ID), any());
         verify(mDialog).removeSettingFromScreen(eq(EID_INFO_LABEL_ID));
         verify(mDialog).removeSettingFromScreen(eq(EID_INFO_VALUE_ID));
     }