diff --git a/core/res/res/values-mcc310-mnc260/strings.xml b/core/res/res/values-mcc310-mnc260/strings.xml
index 75b1b53761847..dc798775c70f4 100644
--- a/core/res/res/values-mcc310-mnc260/strings.xml
+++ b/core/res/res/values-mcc310-mnc260/strings.xml
@@ -25,9 +25,13 @@
     <string-array name="wfcOperatorErrorCodes" translatable="false">
         <item>REG09</item>
     </string-array>
-    <!-- WFC Operator Error Messages -->
-    <string-array name="wfcOperatorErrorMessages">
-        <item>Wi-Fi Calling isn\&apos;t available. Contact your carrier to enable Wi-Fi Calling.</item>
+    <!-- WFC Operator Error Messages showed as alerts -->
+    <string-array name="wfcOperatorErrorAlertMessages">
+        <item>To make calls and send messages over Wi-Fi, first ask your carrier to set up this service. Then turn on Wi-Fi calling again from Settings.</item>
+    </string-array>
+    <!-- WFC Operator Error Messages showed as notifications -->
+    <string-array name="wfcOperatorErrorNotificationMessages">
+        <item>Register with your carrier</item>
     </string-array>
     <!-- Template for showing cellular network operator name while WFC is active -->
     <string name="wfcSpnFormat">%s Wi-Fi Calling</string>
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index 9f710932f89b5..aaa83235b15a7 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -249,10 +249,20 @@
     <string name="wfcRegErrorTitle">Wi-Fi Calling</string>
     <!-- WFC Operator Error Codes -->
     <string-array name="wfcOperatorErrorCodes" translatable="false" />
-    <!-- WFC Operator Error Messages -->
-    <string-array name="wfcOperatorErrorMessages" />
+    <!-- WFC Operator Error Messages showed as alerts -->
+    <string-array name="wfcOperatorErrorAlertMessages" />
+    <!-- WFC Operator Error Messages showed as notifications -->
+    <string-array name="wfcOperatorErrorNotificationMessages" />
     <!-- Template for showing cellular network operator name while WFC is active -->
     <string name="wfcSpnFormat">%s</string>
+    <!-- WFC, summary for Disabled -->
+    <string name="wifi_calling_off_summary">Off</string>
+    <!-- WFC, summary for Wi-Fi Preferred -->
+    <string name="wfc_mode_wifi_preferred_summary">Wi-Fi preferred</string>
+    <!-- WFC, summary for Cellular Preferred -->
+    <string name="wfc_mode_cellular_preferred_summary">Cellular preferred</string>
+    <!-- WFC, summary for Wi-Fi Only -->
+    <string name="wfc_mode_wifi_only_summary">Wi-Fi only</string>
 
     <!--
         {0} is one of "bearerServiceCode*"
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index e10ea6399908f..6a998e4bc0d21 100755
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -747,8 +747,13 @@
   <java-symbol type="string" name="phoneTypeWorkPager" />
   <java-symbol type="string" name="wfcRegErrorTitle" />
   <java-symbol type="array" name="wfcOperatorErrorCodes" />
-  <java-symbol type="array" name="wfcOperatorErrorMessages" />
+  <java-symbol type="array" name="wfcOperatorErrorAlertMessages" />
+  <java-symbol type="array" name="wfcOperatorErrorNotificationMessages" />
   <java-symbol type="string" name="wfcSpnFormat" />
+  <java-symbol type="string" name="wifi_calling_off_summary" />
+  <java-symbol type="string" name="wfc_mode_wifi_preferred_summary" />
+  <java-symbol type="string" name="wfc_mode_cellular_preferred_summary" />
+  <java-symbol type="string" name="wfc_mode_wifi_only_summary" />
   <java-symbol type="string" name="policydesc_disableCamera" />
   <java-symbol type="string" name="policydesc_encryptedStorage" />
   <java-symbol type="string" name="policydesc_expirePassword" />