diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 6b1cfcc6..c705b94a 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -277,4 +277,7 @@
         <item>"com.shannon.imsservice"</item>
         <item>"com.android.phone"</item>
     </string-array>
+
+    <!-- Enable variable refresh rate when typing. -->
+    <bool name="config_variableRefreshRateTypingSupported">true</bool>
 </resources>