diff --git a/Tethering/res/values-mcc204-mnc04/strings.xml b/Tethering/res/values-mcc204-mnc04/strings.xml
new file mode 100644
index 0000000..6bc2e2a
--- /dev/null
+++ b/Tethering/res/values-mcc204-mnc04/strings.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2020 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.
+-->
+<resources>
+    <!-- String for no upstream notification title [CHAR LIMIT=200] -->
+    <string name="no_upstream_notification_title">Tethering &amp; Mobile Hotspot has no internet access</string>
+
+    <!-- String for cellular roaming notification title [CHAR LIMIT=200]  -->
+    <string name="upstream_roaming_notification_title">Roaming</string>
+    <!-- String for cellular roaming notification message [CHAR LIMIT=500]  -->
+    <string name="upstream_roaming_notification_message">You will be charged on a per MB basis for all data sent or received while using this service outside the Verizon Network. Please check our website for current international rates. To minimize charges, visit My Verizon periodically to monitor your usage, check your device settings to confirm which devices are connected, and consider using alternate data connections when available</string>
+    <!-- String for cellular roaming notification continue button [CHAR LIMIT=200]  -->
+    <string name="upstream_roaming_notification_continue_button">Continue</string>
+</resources>
\ No newline at end of file
diff --git a/Tethering/res/values-mcc310-mnc004/strings.xml b/Tethering/res/values-mcc310-mnc004/strings.xml
new file mode 100644
index 0000000..6bc2e2a
--- /dev/null
+++ b/Tethering/res/values-mcc310-mnc004/strings.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2020 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.
+-->
+<resources>
+    <!-- String for no upstream notification title [CHAR LIMIT=200] -->
+    <string name="no_upstream_notification_title">Tethering &amp; Mobile Hotspot has no internet access</string>
+
+    <!-- String for cellular roaming notification title [CHAR LIMIT=200]  -->
+    <string name="upstream_roaming_notification_title">Roaming</string>
+    <!-- String for cellular roaming notification message [CHAR LIMIT=500]  -->
+    <string name="upstream_roaming_notification_message">You will be charged on a per MB basis for all data sent or received while using this service outside the Verizon Network. Please check our website for current international rates. To minimize charges, visit My Verizon periodically to monitor your usage, check your device settings to confirm which devices are connected, and consider using alternate data connections when available</string>
+    <!-- String for cellular roaming notification continue button [CHAR LIMIT=200]  -->
+    <string name="upstream_roaming_notification_continue_button">Continue</string>
+</resources>
\ No newline at end of file
diff --git a/Tethering/res/values-mcc311-mnc480/strings.xml b/Tethering/res/values-mcc311-mnc480/strings.xml
new file mode 100644
index 0000000..6bc2e2a
--- /dev/null
+++ b/Tethering/res/values-mcc311-mnc480/strings.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2020 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.
+-->
+<resources>
+    <!-- String for no upstream notification title [CHAR LIMIT=200] -->
+    <string name="no_upstream_notification_title">Tethering &amp; Mobile Hotspot has no internet access</string>
+
+    <!-- String for cellular roaming notification title [CHAR LIMIT=200]  -->
+    <string name="upstream_roaming_notification_title">Roaming</string>
+    <!-- String for cellular roaming notification message [CHAR LIMIT=500]  -->
+    <string name="upstream_roaming_notification_message">You will be charged on a per MB basis for all data sent or received while using this service outside the Verizon Network. Please check our website for current international rates. To minimize charges, visit My Verizon periodically to monitor your usage, check your device settings to confirm which devices are connected, and consider using alternate data connections when available</string>
+    <!-- String for cellular roaming notification continue button [CHAR LIMIT=200]  -->
+    <string name="upstream_roaming_notification_continue_button">Continue</string>
+</resources>
\ No newline at end of file
diff --git a/Tethering/res/values/strings.xml b/Tethering/res/values/strings.xml
index ba98a66..d50884b 100644
--- a/Tethering/res/values/strings.xml
+++ b/Tethering/res/values/strings.xml
@@ -32,4 +32,14 @@
     Internet" settings page. That is currently the tether_settings_title_all string. -->
     <!-- String for tether notification channel name [CHAR LIMIT=200] -->
     <string name="notification_channel_tethering_status">Hotspot &amp; tethering status</string>
+
+    <!-- String for no upstream notification title [CHAR LIMIT=200] -->
+    <string name="no_upstream_notification_title"></string>
+
+    <!-- String for cellular roaming notification title [CHAR LIMIT=200]  -->
+    <string name="upstream_roaming_notification_title"></string>
+    <!-- String for cellular roaming notification message [CHAR LIMIT=500]  -->
+    <string name="upstream_roaming_notification_message"></string>
+    <!-- String for cellular roaming notification continue button [CHAR LIMIT=200]  -->
+    <string name="upstream_roaming_notification_continue_button"></string>
 </resources>
\ No newline at end of file