diff --git a/target/board/generic/BoardConfig.mk b/target/board/generic/BoardConfig.mk
index 85ed896..361d0b7 100644
--- a/target/board/generic/BoardConfig.mk
+++ b/target/board/generic/BoardConfig.mk
@@ -63,4 +63,4 @@
 TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true
 
 BOARD_SEPOLICY_DIRS += build/target/board/generic/sepolicy
-
+BOARD_PROPERTY_OVERRIDES_SPLIT_ENABLED := true
diff --git a/target/board/generic/system.prop b/target/board/generic/system.prop
index f2424c9..ad8e5b8 100644
--- a/target/board/generic/system.prop
+++ b/target/board/generic/system.prop
@@ -2,5 +2,4 @@
 # system.prop for generic sdk 
 #
 
-rild.libpath=/system/lib/libreference-ril.so
-rild.libargs=-d /dev/ttyS0
+rild.libpath=/vendor/lib/libreference-ril.so
diff --git a/target/board/generic_arm64/BoardConfig.mk b/target/board/generic_arm64/BoardConfig.mk
index 474cf27..e360777 100644
--- a/target/board/generic_arm64/BoardConfig.mk
+++ b/target/board/generic_arm64/BoardConfig.mk
@@ -93,4 +93,5 @@
 BOARD_FLASH_BLOCK_SIZE := 512
 TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true
 
+BOARD_PROPERTY_OVERRIDES_SPLIT_ENABLED := true
 BOARD_SEPOLICY_DIRS += build/target/board/generic/sepolicy
diff --git a/target/board/generic_arm64/system.prop b/target/board/generic_arm64/system.prop
index 24578a9..5b0183a 100644
--- a/target/board/generic_arm64/system.prop
+++ b/target/board/generic_arm64/system.prop
@@ -2,5 +2,4 @@
 # system.prop for generic arm64 sdk
 #
 
-rild.libpath=/system/lib64/libreference-ril.so
-rild.libargs=-d /dev/ttyS0
+rild.libpath=/vendor/lib64/libreference-ril.so
diff --git a/target/board/generic_x86/BoardConfig.mk b/target/board/generic_x86/BoardConfig.mk
index 1ffcb8a..ce37e7f 100644
--- a/target/board/generic_x86/BoardConfig.mk
+++ b/target/board/generic_x86/BoardConfig.mk
@@ -43,6 +43,7 @@
 BOARD_SYSTEMIMAGE_PARTITION_SIZE := 2147483648
 BOARD_USERDATAIMAGE_PARTITION_SIZE := 576716800
 TARGET_COPY_OUT_VENDOR := vendor
+BOARD_PROPERTY_OVERRIDES_SPLIT_ENABLED := true
 # ~100 MB vendor image. Please adjust system image / vendor image sizes
 # when finalizing them.
 BOARD_VENDORIMAGE_PARTITION_SIZE := 100000000
diff --git a/target/board/generic_x86/system.prop b/target/board/generic_x86/system.prop
index 137a0f9..64829f3 100644
--- a/target/board/generic_x86/system.prop
+++ b/target/board/generic_x86/system.prop
@@ -2,5 +2,4 @@
 # system.prop for generic sdk
 #
 
-rild.libpath=/system/lib/libreference-ril.so
-rild.libargs=-d /dev/ttyS0
+rild.libpath=/vendor/lib/libreference-ril.so
diff --git a/target/board/generic_x86_64/BoardConfig.mk b/target/board/generic_x86_64/BoardConfig.mk
index 1a54d8a..c257696 100755
--- a/target/board/generic_x86_64/BoardConfig.mk
+++ b/target/board/generic_x86_64/BoardConfig.mk
@@ -54,6 +54,7 @@
 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4
 BOARD_FLASH_BLOCK_SIZE := 512
 TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true
+BOARD_PROPERTY_OVERRIDES_SPLIT_ENABLED := true
 
 BOARD_SEPOLICY_DIRS += \
         build/target/board/generic/sepolicy \
diff --git a/target/board/generic_x86_64/system.prop b/target/board/generic_x86_64/system.prop
index 43d4a88..ed9d173 100644
--- a/target/board/generic_x86_64/system.prop
+++ b/target/board/generic_x86_64/system.prop
@@ -2,5 +2,4 @@
 # system.prop for generic sdk
 #
 
-rild.libpath=/system/lib64/libreference-ril.so
-rild.libargs=-d /dev/ttyS0
+rild.libpath=/vendor/lib64/libreference-ril.so
diff --git a/target/product/sdk_phone_arm64.mk b/target/product/sdk_phone_arm64.mk
index 3bab84d..599673a 100644
--- a/target/product/sdk_phone_arm64.mk
+++ b/target/product/sdk_phone_arm64.mk
@@ -14,6 +14,9 @@
 # limitations under the License.
 #
 
+PRODUCT_PROPERTY_OVERRIDES += \
+	rild.libpath=/vendor/lib64/libreference-ril.so
+
 # This is a build configuration for a full-featured build of the
 # Open-Source part of the tree. It's geared toward a US-centric
 # build quite specifically for the emulator, and might not be
diff --git a/target/product/sdk_phone_armv7.mk b/target/product/sdk_phone_armv7.mk
index 910692f..e99f0f5 100644
--- a/target/product/sdk_phone_armv7.mk
+++ b/target/product/sdk_phone_armv7.mk
@@ -14,6 +14,9 @@
 # limitations under the License.
 #
 
+PRODUCT_PROPERTY_OVERRIDES += \
+	rild.libpath=/vendor/lib/libreference-ril.so
+
 # Note: the following lines need to stay at the beginning so that it can
 # take priority  and override the rules it inherit from other mk files
 # see copy file rules in core/Makefile
diff --git a/target/product/sdk_phone_x86.mk b/target/product/sdk_phone_x86.mk
index 90f4e16..1e82773 100644
--- a/target/product/sdk_phone_x86.mk
+++ b/target/product/sdk_phone_x86.mk
@@ -14,6 +14,9 @@
 # limitations under the License.
 #
 
+PRODUCT_PROPERTY_OVERRIDES += \
+	rild.libpath=/vendor/lib/libreference-ril.so
+
 # This is a build configuration for a full-featured build of the
 # Open-Source part of the tree. It's geared toward a US-centric
 # build quite specifically for the emulator, and might not be
diff --git a/target/product/sdk_phone_x86_64.mk b/target/product/sdk_phone_x86_64.mk
index 63e6843..a18c4f8 100644
--- a/target/product/sdk_phone_x86_64.mk
+++ b/target/product/sdk_phone_x86_64.mk
@@ -14,6 +14,9 @@
 # limitations under the License.
 #
 
+PRODUCT_PROPERTY_OVERRIDES += \
+	rild.libpath=/vendor/lib64/libreference-ril.so
+
 # This is a build configuration for a full-featured build of the
 # Open-Source part of the tree. It's geared toward a US-centric
 # build quite specifically for the emulator, and might not be