diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 1c7e29d..217658c 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -1657,4 +1657,8 @@
     <!-- Default text encoding for WebSettings. @hide @SystemApi -->
     <string name="config_webSettingsDefaultTextEncoding">UTF-8</string>
 
+    <!--From SmsMessage-->
+    <!--Support decoding the user data payload as pack GSM 8-bit (a GSM alphabet
+        string that's stored in 8-bit unpacked format) characters.-->
+    <bool translatable="false" name="config_sms_decode_gsm_8bit_data">false</bool>
 </resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index c247780..6e23557 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -1965,4 +1965,9 @@
   <java-symbol type="array" name="config_cdma_home_system" />
   <java-symbol type="attr" name="headerSelectedTextColor" />
   <java-symbol type="attr" name="amPmSelectedBackgroundColor" />
+
+  <!--From SmsMessage-->
+  <!--Support decoding the user data payload as pack GSM 8-bit (a GSM alphabet
+     string that's stored in 8-bit unpacked format) characters.-->
+  <java-symbol type="bool" name="config_sms_decode_gsm_8bit_data" />
 </resources>