diff --git a/device/rockchip/rk3288/rk3288_AIO_box/init.rc b/device/rockchip/rk3288/rk3288_AIO_box/init.rc
index 5302343c95..09e53d8e2e 100644
--- a/device/rockchip/rk3288/rk3288_AIO_box/init.rc
+++ b/device/rockchip/rk3288/rk3288_AIO_box/init.rc
@@ -413,6 +413,11 @@ on boot
 
     insmod /drmboot.ko
 
+    chmod 0666 dev/ttysWK0
+    chmod 0666 dev/ttysWK1
+    chmod 0666 dev/ttysWK2
+    chmod 0666 dev/ttysWK3
+
     # Define default initial receive window size in segments.
     setprop net.tcp.default_init_rwnd 60
 
@@ -548,19 +553,13 @@ service debuggerd /system/bin/debuggerd
 service debuggerd64 /system/bin/debuggerd64
     class main
 
-service ril-daemon /system/bin/rild -l /system/lib/libsignal-ril.so
+service ril-daemon /system/bin/rild -l /system/lib/libreference-ril.so
     class main
     socket rild stream 660 root radio
     socket rild-debug stream 660 radio system
     user root
     group radio cache inet misc audio log
 
-service pppd_gprs /system/etc/ppp/init.gprs-pppd
-    user root
-    group radio cache inet misc 
-    disabled
-    oneshot
-
 service surfaceflinger /system/bin/surfaceflinger
     class core
     user system