diff --git a/a30s/overlay/frameworks/base/core/res/res/values/config.xml b/a30s/overlay/frameworks/base/core/res/res/values/config.xml
index de0579f..9f1f7e7 100644
--- a/a30s/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/a30s/overlay/frameworks/base/core/res/res/values/config.xml
@@ -66,4 +66,10 @@
    <!-- Limit for the number of face templates per user -->
    <integer name="config_faceMaxTemplatesPerUser">2</integer>
    <bool name="config_automatic_brightness_available">true</bool>
+       <!-- The properties of a UDFPS sensor in pixels, in the order listed below: -->
+    <integer-array name="config_udfps_sensor_props">
+        <item>540</item>
+        <item>2145</item>
+        <item>114</item>
+    </integer-array>
 </resources>