diff --git a/whitechapel_pro/property.te b/whitechapel_pro/property.te
index bc898f47..ec7d84ed 100644
--- a/whitechapel_pro/property.te
+++ b/whitechapel_pro/property.te
@@ -34,3 +34,5 @@ system_vendor_config_prop(vendor_uwb_calibration_prop)
 # Dynamic sensor
 vendor_internal_prop(vendor_dynamic_sensor_prop)
 
+# Telephony debug app
+vendor_internal_prop(vendor_telephony_app_prop)
diff --git a/whitechapel_pro/property_contexts b/whitechapel_pro/property_contexts
index ce737004..98a7980a 100644
--- a/whitechapel_pro/property_contexts
+++ b/whitechapel_pro/property_contexts
@@ -103,3 +103,6 @@ vendor.dynamic_sensor.                     u:object_r:vendor_dynamic_sensor_prop
 
 # for ims service
 persist.vendor.ims.                        u:object_r:vendor_imssvc_prop:s0
+
+# for vendor telephony debug app
+vendor.config.debug.                       u:object_r:vendor_telephony_app_prop:s0
diff --git a/whitechapel_pro/rild.te b/whitechapel_pro/rild.te
index d8c8c290..88b88716 100644
--- a/whitechapel_pro/rild.te
+++ b/whitechapel_pro/rild.te
@@ -26,6 +26,7 @@ binder_call(rild, oemrilservice_app)
 binder_call(rild, hal_secure_element_uicc)
 binder_call(rild, grilservice_app)
 binder_call(rild, vendor_engineermode_app)
+binder_call(rild, vendor_telephony_debug_app)
 
 # for hal service
 add_hwservice(rild, hal_exynos_rild_hwservice)
diff --git a/whitechapel_pro/vendor_telephony_debug_app.te b/whitechapel_pro/vendor_telephony_debug_app.te
index 946460cc..539fffce 100644
--- a/whitechapel_pro/vendor_telephony_debug_app.te
+++ b/whitechapel_pro/vendor_telephony_debug_app.te
@@ -2,3 +2,19 @@ type vendor_telephony_debug_app, domain;
 app_domain(vendor_telephony_debug_app)
 
 allow vendor_telephony_debug_app app_api_service:service_manager find;
+allow vendor_telephony_debug_app hal_exynos_rild_hwservice:hwservice_manager find;
+
+binder_call(vendor_telephony_debug_app, rild)
+
+# RIL property
+set_prop(vendor_telephony_debug_app, vendor_rild_prop)
+
+# Debug property
+set_prop(vendor_telephony_debug_app, vendor_telephony_app_prop)
+
+userdebug_or_eng(`
+# System Debug Mode
+dontaudit vendor_telephony_debug_app system_app_data_file:dir create_dir_perms;
+dontaudit vendor_telephony_debug_app system_app_data_file:file create_file_perms;
+dontaudit vendor_telephony_debug_app default_prop:file r_file_perms;
+')