diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index c1514dda..bb96525c 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -678,4 +678,7 @@
 
     <!-- Configuration to enable non-default PDP during IWLAN -->
     <bool name="config_feature_iwlan_enabled">true</bool>
+
+    <!-- If this is true, device supports Sustained Performance Mode. -->
+    <bool name="config_sustainedPerformanceModeSupported">true</bool>
 </resources>