diff --git a/BoardConfig.mk b/BoardConfig.mk
index 0d1c886..11f299b 100755
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -297,7 +297,7 @@ BOARD_FORCE_UDISK_VISIBLE ?= true
 BOARD_DISABLE_SAFE_MODE ?= true
 
 #enable 3g dongle
-BOARD_HAVE_DONGLE ?= false
+BOARD_HAVE_DONGLE ?= true
 
 #for boot and shutdown animation ringing
 BOOT_SHUTDOWN_ANIMATION_RINGING ?= false
@@ -328,7 +328,7 @@ BOARD_BLUETOOTH_LE_SUPPORT ?= true
 BOARD_WIFI_SUPPORT ?= true
 
 #for rk 4g modem
-BOARD_HAS_RK_4G_MODEM ?= false
+BOARD_HAS_RK_4G_MODEM ?= true
 
 #for rk DLNA
 PRODUCT_HAVE_DLNA ?= false
diff --git a/modules/4g_modem.mk b/modules/4g_modem.mk
index 5037d9e..7c84692 100644
--- a/modules/4g_modem.mk
+++ b/modules/4g_modem.mk
@@ -18,7 +18,7 @@ PRODUCT_PACKAGES += \
     CarrierDefaultApp \
     CarrierConfig \
     rild \
-    librk-ril \
+    libreference-ril-em05 \
     dhcpcd
 
 PRODUCT_COPY_FILES += vendor/rockchip/common/phone/etc/apns-full-conf.xml:$(TARGET_COPY_OUT_PRODUCT)/etc/apns-conf.xml
@@ -35,14 +35,14 @@ DEVICE_MANIFEST_FILE += device/rockchip/common/4g_modem/manifest.xml
 
 ifeq ($(strip $(TARGET_ARCH)), arm64)
 PRODUCT_PROPERTY_OVERRIDES += \
-    vendor.rild.libpath=/vendor/lib64/librk-ril.so
+    vendor.rild.libpath=/vendor/lib64/libreference-ril-em05.so
 
 PRODUCT_COPY_FILES += \
-    $(LOCAL_PATH)/4g_modem/bin64/dhcpcd:$(TARGET_COPY_OUT_VENDOR)/bin/dhcpcd \
-    $(LOCAL_PATH)/4g_modem/lib64/librk-ril.so:$(TARGET_COPY_OUT_VENDOR)/lib64/librk-ril.so
+    $(LOCAL_PATH)/../4g_modem/bin64/dhcpcd:$(TARGET_COPY_OUT_VENDOR)/bin/dhcpcd \
+    $(LOCAL_PATH)/../4g_modem/lib64/librk-ril.so:$(TARGET_COPY_OUT_VENDOR)/lib64/librk-ril.so
 else
 PRODUCT_PROPERTY_OVERRIDES += \
-    vendor.rild.libpath=/vendor/lib/librk-ril.so
+    vendor.rild.libpath=/vendor/lib/libreference-ril-em05.so
 
 PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/4g_modem/bin32/dhcpcd:$(TARGET_COPY_OUT_VENDOR)/bin/dhcpcd \
diff --git a/overlay_wifi_only/frameworks/base/core/res/res/values/config.xml b/overlay_wifi_only/frameworks/base/core/res/res/values/config.xml
index 33e8c93..bf4f825 100644
--- a/overlay_wifi_only/frameworks/base/core/res/res/values/config.xml
+++ b/overlay_wifi_only/frameworks/base/core/res/res/values/config.xml
@@ -22,5 +22,5 @@
          If true, this means that the device supports data connectivity through
          the telephony network.
          This can be overridden to false for devices that support voice and/or sms . -->
-    <bool name="config_mobile_data_capable">false</bool>
+    <bool name="config_mobile_data_capable">true</bool>
 </resources>