diff --git a/android/TerminalApp/res/layout/activity_upgrade.xml b/android/TerminalApp/res/layout/activity_upgrade.xml
new file mode 100644
index 0000000..13e8404
--- /dev/null
+++ b/android/TerminalApp/res/layout/activity_upgrade.xml
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--  Copyright 2025 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.
+ -->
+
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
+    tools:context=".UpgradeActivity">
+
+    <TextView
+        android:id="@+id/title"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/upgrade_title"
+        android:layout_marginVertical="24dp"
+        android:layout_marginHorizontal="24dp"
+        android:layout_alignParentTop="true"
+        android:hyphenationFrequency="full"
+        android:textSize="48sp" />
+
+    <com.google.android.material.progressindicator.LinearProgressIndicator
+        android:id="@+id/progress"
+        android:indeterminate="true"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentStart="true"
+        android:layout_below="@id/title"
+        android:visibility="invisible" />
+
+    <TextView
+        android:id="@+id/desc"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/upgrade_desc"
+        android:lineSpacingExtra="5sp"
+        android:layout_marginTop="20dp"
+        android:layout_marginHorizontal="48dp"
+        android:layout_below="@id/progress"
+        android:textSize="20sp" />
+
+    <Button
+        android:id="@+id/upgrade"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentEnd="true"
+        android:layout_marginBottom="32dp"
+        android:layout_marginHorizontal="40dp"
+        android:backgroundTint="?attr/colorPrimaryDark"
+        android:text="@string/upgrade_button" />
+
+</RelativeLayout>
diff --git a/android/TerminalApp/res/values/strings.xml b/android/TerminalApp/res/values/strings.xml
index 273032e..a0e33e5 100644
--- a/android/TerminalApp/res/values/strings.xml
+++ b/android/TerminalApp/res/values/strings.xml
@@ -161,6 +161,15 @@
     <!-- Error page that shows detailed error code (error reason) for bugreport. [CHAR LIMIT=none] -->
     <string name="error_code">Error code: <xliff:g id="error_code" example="ACCESS_DENIED">%s</xliff:g></string>
 
+    <!-- Upgrade page's title. Tells users that you'll need to upgrade [CHAR LIMIT=none] -->
+    <string name="upgrade_title">Upgrade to newer terminal</string>
+    <!-- Upgrade page's description. Tell users that can't use as-is, and also explains next step. (/mnt/backup is the path which is supposed not to be translated) [CHAR LIMIT=none] -->
+    <string name="upgrade_desc">Linux terminal you were using is out of date. Please upgrade to proceed.\nData will be backed at <xliff:g id="path" example="/mnt/backup">/mnt/backup</xliff:g></string>
+    <!-- Upgrade page's button to start upgrade. [CHAR LIMIT=16] -->
+    <string name="upgrade_button">Upgrade</string>
+    <!-- Upgrade page's error toast message when upgrade failed. [CHAR LIMIT=none] -->
+    <string name="upgrade_error">Upgrade failed</string>
+
     <!-- Notification action button for settings [CHAR LIMIT=20] -->
     <string name="service_notification_settings">Settings</string>
     <!-- Notification title for foreground service notification [CHAR LIMIT=none] -->