diff --git a/core/android_soong_config_vars.mk b/core/android_soong_config_vars.mk
index 6d4bed256d..996afa7a7d 100644
--- a/core/android_soong_config_vars.mk
+++ b/core/android_soong_config_vars.mk
@@ -162,3 +162,12 @@ $(call soong_config_set,bootclasspath,release_crashrecovery_module,$(RELEASE_CRA
 # Enable Profiling module. Also used by platform_bootclasspath.
 $(call soong_config_set,ANDROID,release_package_profiling_module,$(RELEASE_PACKAGE_PROFILING_MODULE))
 $(call soong_config_set,bootclasspath,release_package_profiling_module,$(RELEASE_PACKAGE_PROFILING_MODULE))
+
+# Add sim_count, disable_rild_oem_hook, and use_aosp_rild flag for ril related modules
+$(call soong_config_set,ril,sim_count,$(SIM_COUNT))
+ifneq ($(DISABLE_RILD_OEM_HOOK), false)
+  $(call soong_config_set_bool,ril,disable_rild_oem_hook,true)
+endif
+ifneq ($(ENABLE_VENDOR_RIL_SERVICE), true)
+  $(call soong_config_set_bool,ril,use_aosp_rild,true)
+endif