diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index 855ecfbd0ae3d..4ed1916c10d13 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -46,6 +46,9 @@
     <!-- Displayed when the user dialed an MMI code whose function
          could not be performed. This will be displayed in a toast. -->
     <string name="mmiError">Connection problem or invalid MMI code.</string>
+    <!-- Displayed when the user dialed an MMI code whose function could not be performed because
+         the feature is not supported on the current mobile network. -->
+    <string name="mmiErrorNotSupported">Feature not supported.</string>
     <!-- Displayed when the user dialed an MMI code whose function
          could not be performed because FDN is enabled. This will be displayed in a toast. -->
     <string name="mmiFdnError">Operation is restricted to fixed dialing numbers only.</string>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 71781ed7e6b35..25e95086254a0 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -828,6 +828,7 @@
   <java-symbol type="string" name="mismatchPin" />
   <java-symbol type="string" name="mmiComplete" />
   <java-symbol type="string" name="mmiError" />
+  <java-symbol type="string" name="mmiErrorNotSupported" />
   <java-symbol type="string" name="mmiFdnError" />
   <java-symbol type="string" name="mmiErrorWhileRoaming" />
   <java-symbol type="string" name="month_day_year" />