diff --git a/res/values-my/strings.xml b/res/values-my/strings.xml
index b4c7573..0f4321a 100644
--- a/res/values-my/strings.xml
+++ b/res/values-my/strings.xml
@@ -674,7 +674,7 @@
     <string name="sim_description_emergency_calls" msgid="5146872803938897296">"အရေးပေါ် ခေါ်ဆိုမှုသာလျှင်"</string>
     <string name="sim_description_default" msgid="7474671114363724971">"SIM ကတ်၊ အပေါက်: <xliff:g id="SLOT_ID">%s</xliff:g>"</string>
     <string name="accessibility_settings_activity_title" msgid="7883415189273700298">"အများသုံးနိုင်မှု"</string>
-    <string name="status_hint_label_incoming_wifi_call" msgid="2606052595898044071">"အောက်ပါမှ Wi-Fi ခေါ်ခြင်း"</string>
+    <string name="status_hint_label_incoming_wifi_call" msgid="2606052595898044071">"Wi-Fi ဖုန်းခေါ်နေသည်"</string>
     <string name="status_hint_label_wifi_call" msgid="942993035689809853">"Wi-Fi ခေါ်ဆိုမှု"</string>
     <string name="message_decode_error" msgid="1061856591500290887">"စာကို ကုဒ်ဖွင့်နေစဉ် အမှားရှိခဲ့သည်။"</string>
     <string name="callFailed_cdma_activation" msgid="5392057031552253550">"SIM ကဒ်သည် သင့် ဖုန်းဝန်ဆောင်မှုအား အသက်သွင်းခဲ့ပြီး သင့်ဖုန်း၏ ကွန်ယက်ပြင်ပဒေတာသုံးနိုင်စွမ်းအား ပြင်ဆင်မွမ်းမံပြီးဖြစ်၏။"</string>
diff --git a/src/com/android/phone/security/SafetySourceReceiver.java b/src/com/android/phone/security/SafetySourceReceiver.java
index f778d41..d2be1a1 100644
--- a/src/com/android/phone/security/SafetySourceReceiver.java
+++ b/src/com/android/phone/security/SafetySourceReceiver.java
@@ -24,11 +24,12 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 
+import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.telephony.Phone;
 import com.android.internal.telephony.flags.Flags;
 import com.android.phone.PhoneGlobals;
 
-public final class SafetySourceReceiver extends BroadcastReceiver {
+public class SafetySourceReceiver extends BroadcastReceiver {
     @Override
     public void onReceive(Context context, Intent intent) {
 
@@ -60,7 +61,7 @@
     }
 
     private void refreshSafetySources(String refreshBroadcastId) {
-        Phone phone = PhoneGlobals.getPhone();
+        Phone phone = getDefaultPhone();
         // It's possible that phones have not been created yet. Safety center may send a refresh
         // broadcast very early on.
         if (phone != null) {
@@ -68,4 +69,9 @@
         }
 
     }
+
+    @VisibleForTesting
+    public Phone getDefaultPhone() {
+        return PhoneGlobals.getPhone();
+    }
 }
diff --git a/src/com/android/services/telephony/TelecomAccountRegistry.java b/src/com/android/services/telephony/TelecomAccountRegistry.java
index a8c6c10..db63acd 100644
--- a/src/com/android/services/telephony/TelecomAccountRegistry.java
+++ b/src/com/android/services/telephony/TelecomAccountRegistry.java
@@ -1264,7 +1264,8 @@
                         && pm.hasSystemFeature(PackageManager.FEATURE_TELEPHONY_CALLING)) {
                     sInstance = new TelecomAccountRegistry(context);
                 } else {
-                    Log.i(LOG_TAG, "getInstance: Telephony features required");
+                    Log.d(LOG_TAG, "Not initializing TelecomAccountRegistry: "
+                            + "missing telephony/calling feature(s)");
                 }
             } else {
                 sInstance = new TelecomAccountRegistry(context);
diff --git a/src/com/android/services/telephony/domainselection/TelephonyDomainSelectionService.java b/src/com/android/services/telephony/domainselection/TelephonyDomainSelectionService.java
index c86eff9..d79a260 100644
--- a/src/com/android/services/telephony/domainselection/TelephonyDomainSelectionService.java
+++ b/src/com/android/services/telephony/domainselection/TelephonyDomainSelectionService.java
@@ -226,7 +226,7 @@
         mContext = getApplicationContext();
 
         // Create a worker thread for this domain selection service.
-        onCreateExecutor();
+        getCreateExecutor();
 
         TelephonyManager tm = mContext.getSystemService(TelephonyManager.class);
         int activeModemCount = (tm != null) ? tm.getActiveModemCount() : 1;
@@ -385,7 +385,7 @@
      *  Returns an Executor used to execute methods called remotely by the framework.
      */
     @Override
-    public @NonNull Executor onCreateExecutor() {
+    public @NonNull Executor getCreateExecutor() {
         return getExecutor();
     }
 
diff --git a/tests/src/com/android/phone/ImsProvisioningControllerTest.java b/tests/src/com/android/phone/ImsProvisioningControllerTest.java
index db83cca..e12be53 100644
--- a/tests/src/com/android/phone/ImsProvisioningControllerTest.java
+++ b/tests/src/com/android/phone/ImsProvisioningControllerTest.java
@@ -68,10 +68,11 @@
 import android.telephony.ims.feature.RcsFeature.RcsImsCapabilities;
 import android.telephony.ims.stub.ImsConfigImplBase;
 import android.telephony.ims.stub.ImsRegistrationImplBase;
-import android.test.suitebuilder.annotation.SmallTest;
 import android.testing.TestableLooper;
 import android.util.Log;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.ims.FeatureConnector;
 import com.android.ims.ImsConfig;
 import com.android.ims.ImsManager;
diff --git a/tests/src/com/android/phone/ImsProvisioningLoaderTest.java b/tests/src/com/android/phone/ImsProvisioningLoaderTest.java
index 61cab1d..207e454 100644
--- a/tests/src/com/android/phone/ImsProvisioningLoaderTest.java
+++ b/tests/src/com/android/phone/ImsProvisioningLoaderTest.java
@@ -28,10 +28,10 @@
 import android.telephony.ims.feature.MmTelFeature;
 import android.telephony.ims.feature.RcsFeature;
 import android.telephony.ims.stub.ImsRegistrationImplBase;
-import android.test.suitebuilder.annotation.SmallTest;
 import android.util.Log;
 
 import androidx.test.InstrumentationRegistry;
+import androidx.test.filters.SmallTest;
 
 import org.junit.After;
 import org.junit.Before;
diff --git a/tests/src/com/android/phone/ImsStateCallbackControllerTest.java b/tests/src/com/android/phone/ImsStateCallbackControllerTest.java
index 2bd87be..c86502b 100644
--- a/tests/src/com/android/phone/ImsStateCallbackControllerTest.java
+++ b/tests/src/com/android/phone/ImsStateCallbackControllerTest.java
@@ -48,10 +48,11 @@
 import android.os.Looper;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyRegistryManager;
-import android.test.suitebuilder.annotation.SmallTest;
 import android.testing.TestableLooper;
 import android.util.Log;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.TelephonyTestBase;
 import com.android.ims.FeatureConnector;
 import com.android.ims.ImsManager;
diff --git a/tests/src/com/android/phone/RcsProvisioningMonitorTest.java b/tests/src/com/android/phone/RcsProvisioningMonitorTest.java
index 57f9f6b..fe13d56 100644
--- a/tests/src/com/android/phone/RcsProvisioningMonitorTest.java
+++ b/tests/src/com/android/phone/RcsProvisioningMonitorTest.java
@@ -61,10 +61,11 @@
 import android.telephony.ims.aidl.IRcsConfigCallback;
 import android.test.mock.MockContentProvider;
 import android.test.mock.MockContentResolver;
-import android.test.suitebuilder.annotation.SmallTest;
 import android.testing.TestableLooper;
 import android.util.Log;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.ims.FeatureConnector;
 import com.android.ims.RcsFeatureManager;
 import com.android.internal.telephony.ITelephony;
diff --git a/tests/src/com/android/phone/ServiceStateProviderTest.java b/tests/src/com/android/phone/ServiceStateProviderTest.java
index 4bbde79..1d2ca74 100644
--- a/tests/src/com/android/phone/ServiceStateProviderTest.java
+++ b/tests/src/com/android/phone/ServiceStateProviderTest.java
@@ -64,9 +64,9 @@
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 import android.test.mock.MockContentResolver;
-import android.test.suitebuilder.annotation.SmallTest;
 
 import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
 
 import libcore.junit.util.compat.CoreCompatChangeRule;
 
diff --git a/tests/src/com/android/phone/security/SafetySourceReceiverTest.java b/tests/src/com/android/phone/security/SafetySourceReceiverTest.java
new file mode 100644
index 0000000..de1f101
--- /dev/null
+++ b/tests/src/com/android/phone/security/SafetySourceReceiverTest.java
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2024 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.phone.security;
+
+import static android.safetycenter.SafetyCenterManager.ACTION_REFRESH_SAFETY_SOURCES;
+import static android.safetycenter.SafetyCenterManager.EXTRA_REFRESH_SAFETY_SOURCES_BROADCAST_ID;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.platform.test.flag.junit.SetFlagsRule;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.internal.telephony.Phone;
+import com.android.internal.telephony.flags.Flags;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class SafetySourceReceiverTest {
+    @Rule
+    public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    Context mContext;
+
+    SafetySourceReceiver mSafetySourceReceiver;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+        SafetySourceReceiver receiver = new SafetySourceReceiver();
+        mSafetySourceReceiver = spy(receiver);
+    }
+
+    @Test
+    public void testOnReceive() {
+        mSetFlagsRule.enableFlags(Flags.FLAG_ENABLE_IDENTIFIER_DISCLOSURE_TRANSPARENCY_UNSOL_EVENTS,
+                Flags.FLAG_ENABLE_MODEM_CIPHER_TRANSPARENCY_UNSOL_EVENTS);
+        Phone mockPhone = mock(Phone.class);
+        when(mSafetySourceReceiver.getDefaultPhone()).thenReturn(mockPhone);
+
+        Intent intent = new Intent(ACTION_REFRESH_SAFETY_SOURCES);
+        intent.putExtra(EXTRA_REFRESH_SAFETY_SOURCES_BROADCAST_ID, "aBroadcastId");
+        mSafetySourceReceiver.onReceive(mContext, intent);
+
+        verify(mockPhone, times(1)).refreshSafetySources("aBroadcastId");
+    }
+
+    @Test
+    public void testOnReceive_featureFlagsOff() {
+        mSetFlagsRule.disableFlags(
+                Flags.FLAG_ENABLE_IDENTIFIER_DISCLOSURE_TRANSPARENCY_UNSOL_EVENTS,
+                Flags.FLAG_ENABLE_MODEM_CIPHER_TRANSPARENCY_UNSOL_EVENTS);
+
+        Intent intent = new Intent(ACTION_REFRESH_SAFETY_SOURCES);
+        intent.putExtra(EXTRA_REFRESH_SAFETY_SOURCES_BROADCAST_ID, "aBroadcastId");
+        mSafetySourceReceiver.onReceive(mContext, intent);
+
+        verify(mSafetySourceReceiver, never()).getDefaultPhone();
+    }
+
+    @Test
+    public void testOnReceive_phoneNotReadyYet() {
+        mSetFlagsRule.enableFlags(Flags.FLAG_ENABLE_IDENTIFIER_DISCLOSURE_TRANSPARENCY_UNSOL_EVENTS,
+                Flags.FLAG_ENABLE_MODEM_CIPHER_TRANSPARENCY_UNSOL_EVENTS,
+                Flags.FLAG_ENFORCE_TELEPHONY_FEATURE_MAPPING_FOR_PUBLIC_APIS);
+        when(mSafetySourceReceiver.getDefaultPhone()).thenReturn(null);
+
+        when(mContext.getPackageManager().hasSystemFeature(
+                PackageManager.FEATURE_TELEPHONY)).thenReturn(true);
+
+        Intent intent = new Intent(ACTION_REFRESH_SAFETY_SOURCES);
+        intent.putExtra(EXTRA_REFRESH_SAFETY_SOURCES_BROADCAST_ID, "aBroadcastId");
+
+        // this call succeeding without a NPE means this test has passed. There are no observable
+        // side effects to a null Phone, because all side effects happen on the Phone instance.
+        mSafetySourceReceiver.onReceive(mContext, intent);
+    }
+
+    @Test
+    public void testOnReceive_noTelephonyFeature() {
+        mSetFlagsRule.enableFlags(Flags.FLAG_ENABLE_IDENTIFIER_DISCLOSURE_TRANSPARENCY_UNSOL_EVENTS,
+                Flags.FLAG_ENABLE_MODEM_CIPHER_TRANSPARENCY_UNSOL_EVENTS,
+                Flags.FLAG_ENFORCE_TELEPHONY_FEATURE_MAPPING_FOR_PUBLIC_APIS);
+
+        when(mContext.getPackageManager().hasSystemFeature(
+                PackageManager.FEATURE_TELEPHONY)).thenReturn(false);
+
+        Phone mockPhone = mock(Phone.class);
+        when(mSafetySourceReceiver.getDefaultPhone()).thenReturn(mockPhone);
+
+        Intent intent = new Intent(ACTION_REFRESH_SAFETY_SOURCES);
+        intent.putExtra(EXTRA_REFRESH_SAFETY_SOURCES_BROADCAST_ID, "aBroadcastId");
+        mSafetySourceReceiver.onReceive(mContext, intent);
+
+        verify(mockPhone, never()).refreshSafetySources(any());
+    }
+
+}
diff --git a/tests/src/com/android/services/telephony/ImsConferenceControllerTest.java b/tests/src/com/android/services/telephony/ImsConferenceControllerTest.java
index a9207e6..b1572f1 100644
--- a/tests/src/com/android/services/telephony/ImsConferenceControllerTest.java
+++ b/tests/src/com/android/services/telephony/ImsConferenceControllerTest.java
@@ -27,7 +27,8 @@
 import android.content.ComponentName;
 import android.os.Looper;
 import android.telecom.PhoneAccountHandle;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/tests/src/com/android/services/telephony/ImsConferenceTest.java b/tests/src/com/android/services/telephony/ImsConferenceTest.java
index e2a199b..ca16bc7 100644
--- a/tests/src/com/android/services/telephony/ImsConferenceTest.java
+++ b/tests/src/com/android/services/telephony/ImsConferenceTest.java
@@ -40,7 +40,8 @@
 import android.telecom.StatusHints;
 import android.telecom.TelecomManager;
 import android.telephony.TelephonyManager;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import com.android.ims.internal.ConferenceParticipant;
 
diff --git a/tests/src/com/android/services/telephony/TelephonyConferenceControllerTest.java b/tests/src/com/android/services/telephony/TelephonyConferenceControllerTest.java
index b7fe988..c7080b4 100644
--- a/tests/src/com/android/services/telephony/TelephonyConferenceControllerTest.java
+++ b/tests/src/com/android/services/telephony/TelephonyConferenceControllerTest.java
@@ -28,7 +28,8 @@
 import android.telecom.Conference;
 import android.telecom.Connection;
 import android.telecom.PhoneAccount;
-import android.test.suitebuilder.annotation.SmallTest;
+
+import androidx.test.filters.SmallTest;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/tests/src/com/android/services/telephony/TelephonyConnectionServiceTest.java b/tests/src/com/android/services/telephony/TelephonyConnectionServiceTest.java
index 131b8ac..0913867 100644
--- a/tests/src/com/android/services/telephony/TelephonyConnectionServiceTest.java
+++ b/tests/src/com/android/services/telephony/TelephonyConnectionServiceTest.java
@@ -80,9 +80,9 @@
 import android.telephony.emergency.EmergencyNumber;
 import android.telephony.ims.ImsReasonInfo;
 import android.telephony.ims.stub.ImsRegistrationImplBase;
-import android.test.suitebuilder.annotation.SmallTest;
 import android.util.ArrayMap;
 
+import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
 
 import com.android.TelephonyTestBase;
diff --git a/tests/src/com/android/services/telephony/domainselection/DomainSelectorBaseTest.java b/tests/src/com/android/services/telephony/domainselection/DomainSelectorBaseTest.java
index a5d463d..872238c 100644
--- a/tests/src/com/android/services/telephony/domainselection/DomainSelectorBaseTest.java
+++ b/tests/src/com/android/services/telephony/domainselection/DomainSelectorBaseTest.java
@@ -26,8 +26,8 @@
 import android.os.Looper;
 import android.telephony.DomainSelectionService.SelectionAttributes;
 import android.telephony.TransportSelectorCallback;
-import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
 
 import com.android.TestContext;
diff --git a/tests/src/com/android/services/telephony/domainselection/EmergencyCallDomainSelectorTest.java b/tests/src/com/android/services/telephony/domainselection/EmergencyCallDomainSelectorTest.java
index 89c03e7..b8b3359 100644
--- a/tests/src/com/android/services/telephony/domainselection/EmergencyCallDomainSelectorTest.java
+++ b/tests/src/com/android/services/telephony/domainselection/EmergencyCallDomainSelectorTest.java
@@ -113,11 +113,12 @@
 import android.telephony.ims.ImsManager;
 import android.telephony.ims.ImsMmTelManager;
 import android.telephony.ims.ProvisioningManager;
-import android.test.suitebuilder.annotation.SmallTest;
 import android.testing.TestableLooper;
 import android.util.Log;
 import android.util.SparseArray;
 
+import androidx.test.filters.SmallTest;
+
 import com.android.TestContext;
 
 import org.junit.After;
diff --git a/tests/src/com/android/services/telephony/domainselection/EmergencySmsDomainSelectorTest.java b/tests/src/com/android/services/telephony/domainselection/EmergencySmsDomainSelectorTest.java
index 51f6b6c..a900fda 100644
--- a/tests/src/com/android/services/telephony/domainselection/EmergencySmsDomainSelectorTest.java
+++ b/tests/src/com/android/services/telephony/domainselection/EmergencySmsDomainSelectorTest.java
@@ -47,10 +47,10 @@
 import android.telephony.TransportSelectorCallback;
 import android.telephony.VopsSupportInfo;
 import android.telephony.WwanSelectorCallback;
-import android.test.suitebuilder.annotation.SmallTest;
 import android.testing.TestableLooper;
 import android.util.SparseArray;
 
+import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
 
 import com.android.TestContext;
diff --git a/tests/src/com/android/services/telephony/domainselection/ImsStateTrackerTest.java b/tests/src/com/android/services/telephony/domainselection/ImsStateTrackerTest.java
index 6519835..f9a56a8 100644
--- a/tests/src/com/android/services/telephony/domainselection/ImsStateTrackerTest.java
+++ b/tests/src/com/android/services/telephony/domainselection/ImsStateTrackerTest.java
@@ -47,8 +47,8 @@
 import android.telephony.ims.RegistrationManager;
 import android.telephony.ims.feature.MmTelFeature.MmTelCapabilities;
 import android.telephony.ims.stub.ImsRegistrationImplBase;
-import android.test.suitebuilder.annotation.SmallTest;
 
+import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
 
 import com.android.TestContext;
diff --git a/tests/src/com/android/services/telephony/domainselection/SmsDomainSelectorTest.java b/tests/src/com/android/services/telephony/domainselection/SmsDomainSelectorTest.java
index 38e058b..fc577c4 100644
--- a/tests/src/com/android/services/telephony/domainselection/SmsDomainSelectorTest.java
+++ b/tests/src/com/android/services/telephony/domainselection/SmsDomainSelectorTest.java
@@ -37,9 +37,9 @@
 import android.telephony.NetworkRegistrationInfo;
 import android.telephony.TransportSelectorCallback;
 import android.telephony.WwanSelectorCallback;
-import android.test.suitebuilder.annotation.SmallTest;
 import android.testing.TestableLooper;
 
+import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
 
 import com.android.TestContext;
diff --git a/tests/src/com/android/services/telephony/domainselection/TelephonyDomainSelectionServiceTest.java b/tests/src/com/android/services/telephony/domainselection/TelephonyDomainSelectionServiceTest.java
index 53bbce9..e0f7ffb 100644
--- a/tests/src/com/android/services/telephony/domainselection/TelephonyDomainSelectionServiceTest.java
+++ b/tests/src/com/android/services/telephony/domainselection/TelephonyDomainSelectionServiceTest.java
@@ -40,9 +40,9 @@
 import android.telephony.SubscriptionManager;
 import android.telephony.SubscriptionManager.OnSubscriptionsChangedListener;
 import android.telephony.TransportSelectorCallback;
-import android.test.suitebuilder.annotation.SmallTest;
 import android.testing.TestableLooper;
 
+import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
 
 import com.android.TestContext;