diff --git a/system_prop.mk b/system_prop.mk
index 7363ef9..df2ed09 100644
--- a/system_prop.mk
+++ b/system_prop.mk
@@ -52,7 +52,12 @@ PRODUCT_SYSTEM_DEFAULT_PROPERTIES += \
 # RIL
 PRODUCT_SYSTEM_DEFAULT_PROPERTIES += \
     ro.telephony.default_network=22,18 \
-    persist.radio.add_power_save=1
+    persist.radio.add_power_save=1 \
+    persist.vendor.radio.lte_vrte_ltd=1 \
+    persist.vendor.radio.cs_srv_type=1 \
+    persist.vendor.radio.rat_on=combine \
+    persist.vendor.radio.force_on_dc=true \
+    persist.vendor.radio.redir_party_num=1
 
 # UI
 PRODUCT_SYSTEM_DEFAULT_PROPERTIES += \