diff --git a/testapps/ImsTestService/AndroidManifest.xml b/testapps/ImsTestService/AndroidManifest.xml
index 7662a42..eea54b8 100644
--- a/testapps/ImsTestService/AndroidManifest.xml
+++ b/testapps/ImsTestService/AndroidManifest.xml
@@ -19,6 +19,9 @@
           coreApp="true"
           package="com.android.phone.testapps.imstestapp">
     <uses-permission android:name="android.permission.READ_PHONE_STATE"/>
+    <!--Beware, declaring the below permission will cause the device to not boot unless you add
+        this app and permission to frameworks/base/data/etc/privapp-permissions-platform.xml-->
+    <uses-permission android:name="android.permission.READ_PRIVILEGED_PHONE_STATE" />
     <application
         android:label="ImsTestService"
         android:directBootAware="true">
diff --git a/testapps/ImsTestService/src/com/android/phone/testapps/imstestapp/ImsRegistrationActivity.java b/testapps/ImsTestService/src/com/android/phone/testapps/imstestapp/ImsRegistrationActivity.java
index e4a4e6f..84ec7b9 100644
--- a/testapps/ImsTestService/src/com/android/phone/testapps/imstestapp/ImsRegistrationActivity.java
+++ b/testapps/ImsTestService/src/com/android/phone/testapps/imstestapp/ImsRegistrationActivity.java
@@ -19,6 +19,7 @@
 import android.app.Activity;
 import android.content.Context;
 import android.os.Bundle;
+import android.telephony.AccessNetworkConstants;
 import android.telephony.SubscriptionManager;
 import android.telephony.ims.ImsException;
 import android.telephony.ims.ImsMmTelManager;
@@ -150,8 +151,8 @@
     private static final Map<Integer, String> REG_TECH_STRING = new ArrayMap<>(2);
     static {
         REG_TECH_STRING.put(ImsRegistrationImplBase.REGISTRATION_TECH_NONE, "NONE");
-        REG_TECH_STRING.put(ImsRegistrationImplBase.REGISTRATION_TECH_LTE, "LTE");
-        REG_TECH_STRING.put(ImsRegistrationImplBase.REGISTRATION_TECH_IWLAN, "IWLAN");
+        REG_TECH_STRING.put(AccessNetworkConstants.TransportType.WWAN, "WWAN");
+        REG_TECH_STRING.put(AccessNetworkConstants.TransportType.WLAN, "WLAN");
     }