diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index e7d3bd28..add6cbe5 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -145,6 +145,11 @@
     <!-- Flag specifying whether WFC over IMS is availasble on device -->
     <bool name="config_device_wfc_ims_available">true</bool>
 
+    <!-- An integer representing a timeout value in milliseconds that will be used to delay a
+         radio power off command until IMS deregistration completes. If 0, this feature is disabled
+         and there will be no delay. -->
+    <integer name="config_delay_for_ims_dereg_millis">3000</integer>
+
     <!-- Whether the new Auto Selection Network UI should be shown -->
     <bool name="config_enableNewAutoSelectNetworkUI">true</bool>