diff --git a/core/res/res/values-mcc310-mnc160/strings.xml b/core/res/res/values-mcc310-mnc160/strings.xml
deleted file mode 100644
index 526d08b45c7ca..0000000000000
--- a/core/res/res/values-mcc310-mnc160/strings.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-** Copyright 2016, 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 my 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.
-*/
--->
-
-<!-- These resources are around just to allow their values to be customized
-     for different hardware and product builds. -->
-<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
-    <!-- WFC Operator Error Codes -->
-    <string-array name="wfcOperatorErrorCodes" translatable="false">
-        <item>REG09</item>
-    </string-array>
-    <!-- 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>
-</resources>
diff --git a/core/res/res/values-mcc310-mnc200/strings.xml b/core/res/res/values-mcc310-mnc200/strings.xml
deleted file mode 100644
index 526d08b45c7ca..0000000000000
--- a/core/res/res/values-mcc310-mnc200/strings.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-** Copyright 2016, 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 my 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.
-*/
--->
-
-<!-- These resources are around just to allow their values to be customized
-     for different hardware and product builds. -->
-<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
-    <!-- WFC Operator Error Codes -->
-    <string-array name="wfcOperatorErrorCodes" translatable="false">
-        <item>REG09</item>
-    </string-array>
-    <!-- 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>
-</resources>
diff --git a/core/res/res/values-mcc310-mnc210/strings.xml b/core/res/res/values-mcc310-mnc210/strings.xml
deleted file mode 100644
index 526d08b45c7ca..0000000000000
--- a/core/res/res/values-mcc310-mnc210/strings.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-** Copyright 2016, 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 my 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.
-*/
--->
-
-<!-- These resources are around just to allow their values to be customized
-     for different hardware and product builds. -->
-<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
-    <!-- WFC Operator Error Codes -->
-    <string-array name="wfcOperatorErrorCodes" translatable="false">
-        <item>REG09</item>
-    </string-array>
-    <!-- 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>
-</resources>
diff --git a/core/res/res/values-mcc310-mnc220/strings.xml b/core/res/res/values-mcc310-mnc220/strings.xml
deleted file mode 100644
index 526d08b45c7ca..0000000000000
--- a/core/res/res/values-mcc310-mnc220/strings.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-** Copyright 2016, 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 my 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.
-*/
--->
-
-<!-- These resources are around just to allow their values to be customized
-     for different hardware and product builds. -->
-<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
-    <!-- WFC Operator Error Codes -->
-    <string-array name="wfcOperatorErrorCodes" translatable="false">
-        <item>REG09</item>
-    </string-array>
-    <!-- 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>
-</resources>
diff --git a/core/res/res/values-mcc310-mnc230/strings.xml b/core/res/res/values-mcc310-mnc230/strings.xml
deleted file mode 100644
index 526d08b45c7ca..0000000000000
--- a/core/res/res/values-mcc310-mnc230/strings.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-** Copyright 2016, 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 my 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.
-*/
--->
-
-<!-- These resources are around just to allow their values to be customized
-     for different hardware and product builds. -->
-<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
-    <!-- WFC Operator Error Codes -->
-    <string-array name="wfcOperatorErrorCodes" translatable="false">
-        <item>REG09</item>
-    </string-array>
-    <!-- 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>
-</resources>
diff --git a/core/res/res/values-mcc310-mnc240/strings.xml b/core/res/res/values-mcc310-mnc240/strings.xml
deleted file mode 100644
index 526d08b45c7ca..0000000000000
--- a/core/res/res/values-mcc310-mnc240/strings.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-** Copyright 2016, 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 my 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.
-*/
--->
-
-<!-- These resources are around just to allow their values to be customized
-     for different hardware and product builds. -->
-<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
-    <!-- WFC Operator Error Codes -->
-    <string-array name="wfcOperatorErrorCodes" translatable="false">
-        <item>REG09</item>
-    </string-array>
-    <!-- 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>
-</resources>
diff --git a/core/res/res/values-mcc310-mnc250/strings.xml b/core/res/res/values-mcc310-mnc250/strings.xml
deleted file mode 100644
index 526d08b45c7ca..0000000000000
--- a/core/res/res/values-mcc310-mnc250/strings.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-** Copyright 2016, 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 my 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.
-*/
--->
-
-<!-- These resources are around just to allow their values to be customized
-     for different hardware and product builds. -->
-<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
-    <!-- WFC Operator Error Codes -->
-    <string-array name="wfcOperatorErrorCodes" translatable="false">
-        <item>REG09</item>
-    </string-array>
-    <!-- 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>
-</resources>
diff --git a/core/res/res/values-mcc310-mnc260/strings.xml b/core/res/res/values-mcc310-mnc260/strings.xml
deleted file mode 100644
index dc798775c70f4..0000000000000
--- a/core/res/res/values-mcc310-mnc260/strings.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-** Copyright 2015, 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 my 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.
-*/
--->
-
-<!-- These resources are around just to allow their values to be customized
-     for different hardware and product builds. -->
-<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
-    <!-- WFC Operator Error Codes -->
-    <string-array name="wfcOperatorErrorCodes" translatable="false">
-        <item>REG09</item>
-    </string-array>
-    <!-- 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>
-</resources>
diff --git a/core/res/res/values-mcc310-mnc270/strings.xml b/core/res/res/values-mcc310-mnc270/strings.xml
deleted file mode 100644
index 526d08b45c7ca..0000000000000
--- a/core/res/res/values-mcc310-mnc270/strings.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-** Copyright 2016, 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 my 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.
-*/
--->
-
-<!-- These resources are around just to allow their values to be customized
-     for different hardware and product builds. -->
-<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
-    <!-- WFC Operator Error Codes -->
-    <string-array name="wfcOperatorErrorCodes" translatable="false">
-        <item>REG09</item>
-    </string-array>
-    <!-- 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>
-</resources>
diff --git a/core/res/res/values-mcc310-mnc310/strings.xml b/core/res/res/values-mcc310-mnc310/strings.xml
deleted file mode 100644
index 526d08b45c7ca..0000000000000
--- a/core/res/res/values-mcc310-mnc310/strings.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-** Copyright 2016, 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 my 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.
-*/
--->
-
-<!-- These resources are around just to allow their values to be customized
-     for different hardware and product builds. -->
-<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
-    <!-- WFC Operator Error Codes -->
-    <string-array name="wfcOperatorErrorCodes" translatable="false">
-        <item>REG09</item>
-    </string-array>
-    <!-- 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>
-</resources>
diff --git a/core/res/res/values-mcc310-mnc490/strings.xml b/core/res/res/values-mcc310-mnc490/strings.xml
deleted file mode 100644
index 526d08b45c7ca..0000000000000
--- a/core/res/res/values-mcc310-mnc490/strings.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-** Copyright 2016, 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 my 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.
-*/
--->
-
-<!-- These resources are around just to allow their values to be customized
-     for different hardware and product builds. -->
-<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
-    <!-- WFC Operator Error Codes -->
-    <string-array name="wfcOperatorErrorCodes" translatable="false">
-        <item>REG09</item>
-    </string-array>
-    <!-- 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>
-</resources>
diff --git a/core/res/res/values-mcc310-mnc660/strings.xml b/core/res/res/values-mcc310-mnc660/strings.xml
deleted file mode 100644
index 526d08b45c7ca..0000000000000
--- a/core/res/res/values-mcc310-mnc660/strings.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-** Copyright 2016, 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 my 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.
-*/
--->
-
-<!-- These resources are around just to allow their values to be customized
-     for different hardware and product builds. -->
-<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
-    <!-- WFC Operator Error Codes -->
-    <string-array name="wfcOperatorErrorCodes" translatable="false">
-        <item>REG09</item>
-    </string-array>
-    <!-- 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>
-</resources>
diff --git a/core/res/res/values-mcc310-mnc800/strings.xml b/core/res/res/values-mcc310-mnc800/strings.xml
deleted file mode 100644
index 526d08b45c7ca..0000000000000
--- a/core/res/res/values-mcc310-mnc800/strings.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-** Copyright 2016, 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 my 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.
-*/
--->
-
-<!-- These resources are around just to allow their values to be customized
-     for different hardware and product builds. -->
-<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-
-    <!-- WFC Operator Error Codes -->
-    <string-array name="wfcOperatorErrorCodes" translatable="false">
-        <item>REG09</item>
-    </string-array>
-    <!-- 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>
-</resources>
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index 96731cf33ece7..8d970f0d06e90 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -245,16 +245,19 @@
 
     <!-- Displayed when WFC registration fails -->
     <string name="wfcRegErrorTitle">Wi-Fi Calling</string>
-    <!-- WFC Operator Error Codes -->
-    <string-array name="wfcOperatorErrorCodes" translatable="false" />
     <!-- WFC Operator Error Messages showed as alerts -->
-    <string-array name="wfcOperatorErrorAlertMessages" />
+    <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" />
+    <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</string>
-    <!-- Template for showing operator name for data connection while WFC is active -->
-    <string name="wfcDataSpnFormat">%s</string>
+    <string-array name="wfcSpnFormats">
+        <item>%s</item>
+        <item>%s Wi-Fi Calling</item>
+    </string-array>
     <!-- WFC, summary for Disabled -->
     <string name="wifi_calling_off_summary">Off</string>
     <!-- WFC, summary for Wi-Fi Preferred -->
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 7eaff7b74d4bb..3c12cfdc530a5 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -771,11 +771,9 @@
   <java-symbol type="string" name="phoneTypeWorkMobile" />
   <java-symbol type="string" name="phoneTypeWorkPager" />
   <java-symbol type="string" name="wfcRegErrorTitle" />
-  <java-symbol type="array" name="wfcOperatorErrorCodes" />
   <java-symbol type="array" name="wfcOperatorErrorAlertMessages" />
   <java-symbol type="array" name="wfcOperatorErrorNotificationMessages" />
-  <java-symbol type="string" name="wfcSpnFormat" />
-  <java-symbol type="string" name="wfcDataSpnFormat" />
+  <java-symbol type="array" name="wfcSpnFormats" />
   <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" />
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index adc7c218799b8..3ee6b163348fd 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -540,6 +540,27 @@ public class CarrierConfigManager {
      */
     public static final String KEY_EDITABLE_WFC_MODE_BOOL = "editable_wfc_mode_bool";
 
+    /**
+     * List operator-specific error codes and indices of corresponding error strings in
+     * wfcOperatorErrorAlertMessages and wfcOperatorErrorNotificationMessages.
+     *
+     * Example: "REG09|0" specifies error code "REG09" and index "0". This index will be
+     * used to find alert and notification messages in wfcOperatorErrorAlertMessages and
+     * wfcOperatorErrorNotificationMessages.
+     *
+     * @hide
+     */
+    public static final String KEY_WFC_OPERATOR_ERROR_CODES_STRING_ARRAY =
+            "wfc_operator_error_codes_string_array";
+
+    /**
+     * Indexes of SPN format strings in wfcSpnFormats and wfcDataSpnFormats.
+     * @hide
+     */
+    public static final String KEY_WFC_SPN_FORMAT_IDX_INT = "wfc_spn_format_idx_int";
+    /** @hide */
+    public static final String KEY_WFC_DATA_SPN_FORMAT_IDX_INT = "wfc_data_spn_format_idx_int";
+
     /**
      * If this is true, the SIM card (through Customer Service Profile EF file) will be able to
      * prevent manual operator selection. If false, this SIM setting will be ignored and manual
@@ -686,8 +707,8 @@ public class CarrierConfigManager {
         sDefaults.putString(KEY_VVM_DESTINATION_NUMBER_STRING, "");
         sDefaults.putInt(KEY_VVM_PORT_NUMBER_INT, 0);
         sDefaults.putString(KEY_VVM_TYPE_STRING, "");
-        sDefaults.putBoolean(KEY_VVM_CELLULAR_DATA_REQUIRED_BOOLEAN,false);
-        sDefaults.putBoolean(KEY_VVM_PREFETCH_BOOLEAN,true);
+        sDefaults.putBoolean(KEY_VVM_CELLULAR_DATA_REQUIRED_BOOLEAN, false);
+        sDefaults.putBoolean(KEY_VVM_PREFETCH_BOOLEAN, true);
         sDefaults.putString(KEY_CARRIER_VVM_PACKAGE_NAME_STRING, "");
         sDefaults.putBoolean(KEY_SHOW_ICCID_IN_SIM_STATUS_BOOL, false);
         sDefaults.putBoolean(KEY_CI_ACTION_ON_SYS_UPDATE_BOOL, false);
@@ -723,6 +744,9 @@ public class CarrierConfigManager {
         sDefaults.putBoolean(KEY_HIDE_PREFERRED_NETWORK_TYPE_BOOL, false);
         sDefaults.putBoolean(KEY_ALLOW_EMERGENCY_VIDEO_CALLS_BOOL, false);
         sDefaults.putBoolean(KEY_EDITABLE_WFC_MODE_BOOL, true);
+        sDefaults.putStringArray(KEY_WFC_OPERATOR_ERROR_CODES_STRING_ARRAY, null);
+        sDefaults.putInt(KEY_WFC_SPN_FORMAT_IDX_INT, 0);
+        sDefaults.putInt(KEY_WFC_DATA_SPN_FORMAT_IDX_INT, 0);
 
         // MMS defaults
         sDefaults.putBoolean(KEY_MMS_ALIAS_ENABLED_BOOL, false);