diff --git a/README-ja.md b/README-ja.md
index 015554a55..6e31ec3a4 100644
--- a/README-ja.md
+++ b/README-ja.md
@@ -350,7 +350,7 @@ appendWindowsPath = false
 ### Duoのターミナルに入る方法
 
 - シリアルケーブルを使う
-- USBネットワークを使う(RNDIS)
+- USBネットワークを使う(CDC-NCM)
 - イーサネットインターフェースを使う(アドオンボードが必要)
 
 Duoのターミナルに入る際に必要なユーザー名とパスワードは以下の通りです。
@@ -378,7 +378,7 @@ DuoのLEDをまた点滅させたい場合、スクリプトのファイル名
 
 ### IO-Boardを使う
 
-IO-Boardを使用する場合、USBネットワーク(RNDIS)は使用できないので、IO-Boardのイーサネットインターフェースを使用してください。
+IO-Boardを使用する場合、USBネットワーク(CDC-NCM)は使用できないので、IO-Boardのイーサネットインターフェースを使用してください。
 IO-BoardのEthernetポートに固定MACアドレスを割り当てる必要がある場合は、以下のコマンドを実行してください(**コマンド中のMACアドレスは設定したいMACアドレスに置き換えてください。また、同一ネットワークセグメント内の異なるデバイスのMACアドレスは重複してはいけません**)。
 
    ```bash
@@ -415,10 +415,10 @@ USBフラッシュドライブをアンマウントするコマンド。
    umount /mnt/udisk
    ```
 
-USBネットワーク(RNDIS)の機能をIO-Board不使用時に使う。
+USBネットワーク(CDC-NCM)の機能をIO-Board不使用時に使う。
 
    ```bash
-   ln -sf /mnt/system/usb-rndis.sh /mnt/system/usb.sh
+   ln -sf /mnt/system/usb-ncm.sh /mnt/system/usb.sh
    sync
    ```
    - それからボードを再起動してください。
diff --git a/README-zh.md b/README-zh.md
index 768f41141..0733b2506 100755
--- a/README-zh.md
+++ b/README-zh.md
@@ -375,7 +375,7 @@ appendWindowsPath = false
 ### 登陆到 Duo 终端的方法
 
 - 通过串口线
-- 通过 USB 网卡 (RNDIS) 方式
+- 通过 USB 网卡 (CDC-NCM) 方式
 - 通过以太网接口(需要扩展板支持)
 
 登陆 Duo 终端的用户名和密码分别为：
@@ -401,9 +401,9 @@ mv /mnt/system/blink.sh_backup /mnt/system/blink.sh && sync
 
 ### 使用 IO Board 底板
 
-注意，使用 IO Board 底板时，USB 网卡 (RNDIS) 不可用，如需使用网络功能，请使用底板上的以太网接口。
+注意，使用 IO Board 底板时，USB 网卡 (CDC-NCM) 不可用，如需使用网络功能，请使用底板上的以太网接口。
 
-使用底板上的 4 个 USB 口，需要修改一下配置，将默认固件中的 `usb-rndis` 功能修改为 `usb-host`：
+使用底板上的 4 个 USB 口，需要修改一下配置，将默认固件中的 `usb-ncm` 功能修改为 `usb-host`：
 
 ```bash
 ln -sf /mnt/system/usb-host.sh /mnt/system/usb.sh
@@ -432,10 +432,10 @@ ls /mnt/udisk
 umount /mnt/udisk
 ```
 
-不使用底板时，恢复 USB 网卡 (RNDIS) 的方法：
+不使用底板时，恢复 USB 网卡 (CDC-NCM) 的方法：
 
 ```bash
-ln -sf /mnt/system/usb-rndis.sh /mnt/system/usb.sh
+ln -sf /mnt/system/usb-ncm.sh /mnt/system/usb.sh
 sync
 ```
 
diff --git a/README.md b/README.md
index 80a67025c..1a3237376 100644
--- a/README.md
+++ b/README.md
@@ -337,7 +337,7 @@ To rollback this change in `/etc/wsl.conf` file set `appendWindowsPath` as true.
 ### The method to log in to the Duo terminal
 
 - Using a serial cable.
-- Using a USB network (RNDIS).
+- Using a USB network (CDC-NCM).
 - Using the Ethernet interface (requires the IO-Board).
 
 The username and password for logging into the Duo terminal are as follows:
@@ -365,7 +365,7 @@ mv /mnt/system/blink.sh_backup /mnt/system/blink.sh && sync
 
 ### Using the IO-Board baseboard
 
-Note that when using the IO-Board, the USB network (RNDIS) is not available, Please use the Ethernet interface on the IO-Board.
+Note that when using the IO-Board, the USB network (CDC-NCM) is not available, Please use the Ethernet interface on the IO-Board.
 
 If you need to assign a fixed MAC address to the Ethernet port of the IO-Board, please execute the following command(**Replace the MAC address in the command with the MAC address you want to set, and please note that MAC addresses of different devices within the same network segment must not be duplicated**):
 
@@ -405,10 +405,10 @@ The command to unmount a USB flash drive:
 umount /mnt/udisk
 ```
 
-To restore the functionality of the USB network (RNDIS) when not using the IO-Board, you can follow these steps:
+To restore the functionality of the USB network (CDC-NCM) when not using the IO-Board, you can follow these steps:
 
 ```bash
-ln -sf /mnt/system/usb-rndis.sh /mnt/system/usb.sh
+ln -sf /mnt/system/usb-ncm.sh /mnt/system/usb.sh
 sync
 ```
 
diff --git a/build/boards/cv180x/cv1800b_milkv_duo_sd/linux/cvitek_cv1800b_milkv_duo_sd_defconfig b/build/boards/cv180x/cv1800b_milkv_duo_sd/linux/cvitek_cv1800b_milkv_duo_sd_defconfig
index 377947a24..1c687e419 100644
--- a/build/boards/cv180x/cv1800b_milkv_duo_sd/linux/cvitek_cv1800b_milkv_duo_sd_defconfig
+++ b/build/boards/cv180x/cv1800b_milkv_duo_sd/linux/cvitek_cv1800b_milkv_duo_sd_defconfig
@@ -261,6 +261,7 @@ CONFIG_USB_CONFIGFS=y
 CONFIG_USB_CONFIGFS_SERIAL=y
 CONFIG_USB_CONFIGFS_RNDIS=y
 CONFIG_USB_CONFIGFS_ACM=y
+CONFIG_USB_CONFIGFS_NCM=y
 CONFIG_USB_CONFIGFS_F_UAC1=y
 # CONFIG_USB_AUDIO is not set
 CONFIG_USB_ROLE_SWITCH=y
diff --git a/build/boards/cv180x/cv1800b_milkv_duo_spinand/linux/cvitek_cv1800b_milkv_duo_spinand_defconfig b/build/boards/cv180x/cv1800b_milkv_duo_spinand/linux/cvitek_cv1800b_milkv_duo_spinand_defconfig
index 2368dcb85..c0c28f35c 100644
--- a/build/boards/cv180x/cv1800b_milkv_duo_spinand/linux/cvitek_cv1800b_milkv_duo_spinand_defconfig
+++ b/build/boards/cv180x/cv1800b_milkv_duo_spinand/linux/cvitek_cv1800b_milkv_duo_spinand_defconfig
@@ -210,6 +210,7 @@ CONFIG_USB_CONFIGFS=y
 CONFIG_USB_CONFIGFS_SERIAL=y
 CONFIG_USB_CONFIGFS_RNDIS=y
 CONFIG_USB_CONFIGFS_ACM=y
+CONFIG_USB_CONFIGFS_NCM=y
 CONFIG_USB_ROLE_SWITCH=y
 CONFIG_MMC=y
 CONFIG_MMC_SDHCI=y
diff --git a/build/boards/cv180x/cv1800b_milkv_duo_spinor/linux/cvitek_cv1800b_milkv_duo_spinor_defconfig b/build/boards/cv180x/cv1800b_milkv_duo_spinor/linux/cvitek_cv1800b_milkv_duo_spinor_defconfig
index 47fe2be7d..1d9ca9c5c 100644
--- a/build/boards/cv180x/cv1800b_milkv_duo_spinor/linux/cvitek_cv1800b_milkv_duo_spinor_defconfig
+++ b/build/boards/cv180x/cv1800b_milkv_duo_spinor/linux/cvitek_cv1800b_milkv_duo_spinor_defconfig
@@ -177,6 +177,7 @@ CONFIG_USB_GADGET=y
 CONFIG_USB_CONFIGFS=y
 CONFIG_USB_CONFIGFS_SERIAL=y
 CONFIG_USB_CONFIGFS_ACM=y
+CONFIG_USB_CONFIGFS_NCM=y
 CONFIG_USB_CONFIGFS_RNDIS=y
 CONFIG_USB_CONFIGFS_MASS_STORAGE=y
 CONFIG_USB_ROLE_SWITCH=y
diff --git a/build/boards/cv181x/cv1812cp_milkv_duo256m_sd/linux/cvitek_cv1812cp_milkv_duo256m_sd_defconfig b/build/boards/cv181x/cv1812cp_milkv_duo256m_sd/linux/cvitek_cv1812cp_milkv_duo256m_sd_defconfig
index b41cf98c0..2beafb9f2 100644
--- a/build/boards/cv181x/cv1812cp_milkv_duo256m_sd/linux/cvitek_cv1812cp_milkv_duo256m_sd_defconfig
+++ b/build/boards/cv181x/cv1812cp_milkv_duo256m_sd/linux/cvitek_cv1812cp_milkv_duo256m_sd_defconfig
@@ -204,6 +204,7 @@ CONFIG_USB_CONFIGFS=y
 CONFIG_USB_CONFIGFS_SERIAL=y
 CONFIG_USB_CONFIGFS_RNDIS=y
 CONFIG_USB_CONFIGFS_ACM=y
+CONFIG_USB_CONFIGFS_NCM=y
 CONFIG_USB_CONFIGFS_F_UAC1=y
 # CONFIG_USB_AUDIO is not set
 CONFIG_USB_ROLE_SWITCH=y
diff --git a/build/boards/cv181x/cv1812cp_milkv_duo256m_spinand/linux/cvitek_cv1812cp_milkv_duo256m_spinand_defconfig b/build/boards/cv181x/cv1812cp_milkv_duo256m_spinand/linux/cvitek_cv1812cp_milkv_duo256m_spinand_defconfig
index 7fc5464f3..dff75a37f 100644
--- a/build/boards/cv181x/cv1812cp_milkv_duo256m_spinand/linux/cvitek_cv1812cp_milkv_duo256m_spinand_defconfig
+++ b/build/boards/cv181x/cv1812cp_milkv_duo256m_spinand/linux/cvitek_cv1812cp_milkv_duo256m_spinand_defconfig
@@ -212,6 +212,7 @@ CONFIG_USB_CONFIGFS=y
 CONFIG_USB_CONFIGFS_SERIAL=y
 CONFIG_USB_CONFIGFS_RNDIS=y
 CONFIG_USB_CONFIGFS_ACM=y
+CONFIG_USB_CONFIGFS_NCM=y
 CONFIG_USB_ROLE_SWITCH=y
 CONFIG_MMC=y
 CONFIG_MMC_SDHCI=y
diff --git a/build/boards/cv181x/cv1812cp_milkv_duo256m_spinor/linux/cvitek_cv1812cp_milkv_duo256m_spinor_defconfig b/build/boards/cv181x/cv1812cp_milkv_duo256m_spinor/linux/cvitek_cv1812cp_milkv_duo256m_spinor_defconfig
index 273ca9381..ee2c89689 100644
--- a/build/boards/cv181x/cv1812cp_milkv_duo256m_spinor/linux/cvitek_cv1812cp_milkv_duo256m_spinor_defconfig
+++ b/build/boards/cv181x/cv1812cp_milkv_duo256m_spinor/linux/cvitek_cv1812cp_milkv_duo256m_spinor_defconfig
@@ -207,6 +207,7 @@ CONFIG_USB_CONFIGFS=y
 CONFIG_USB_CONFIGFS_SERIAL=y
 CONFIG_USB_CONFIGFS_RNDIS=y
 CONFIG_USB_CONFIGFS_ACM=y
+CONFIG_USB_CONFIGFS_NCM=y
 CONFIG_USB_ROLE_SWITCH=y
 CONFIG_MMC=y
 CONFIG_MMC_SDHCI=y
diff --git a/build/boards/cv181x/cv1813h_milkv_duos_emmc/linux/cvitek_cv1813h_milkv_duos_emmc_defconfig b/build/boards/cv181x/cv1813h_milkv_duos_emmc/linux/cvitek_cv1813h_milkv_duos_emmc_defconfig
index 37ede929d..e17b9f10a 100644
--- a/build/boards/cv181x/cv1813h_milkv_duos_emmc/linux/cvitek_cv1813h_milkv_duos_emmc_defconfig
+++ b/build/boards/cv181x/cv1813h_milkv_duos_emmc/linux/cvitek_cv1813h_milkv_duos_emmc_defconfig
@@ -417,6 +417,7 @@ CONFIG_USB_CONFIGFS=y
 CONFIG_USB_CONFIGFS_SERIAL=y
 CONFIG_USB_CONFIGFS_RNDIS=y
 CONFIG_USB_CONFIGFS_ACM=y
+CONFIG_USB_CONFIGFS_NCM=y
 CONFIG_USB_CONFIGFS_F_UAC1=y
 # CONFIG_USB_AUDIO is not set
 CONFIG_USB_ROLE_SWITCH=y
diff --git a/build/boards/cv181x/cv1813h_milkv_duos_sd/linux/cvitek_cv1813h_milkv_duos_sd_defconfig b/build/boards/cv181x/cv1813h_milkv_duos_sd/linux/cvitek_cv1813h_milkv_duos_sd_defconfig
index 37ede929d..e17b9f10a 100644
--- a/build/boards/cv181x/cv1813h_milkv_duos_sd/linux/cvitek_cv1813h_milkv_duos_sd_defconfig
+++ b/build/boards/cv181x/cv1813h_milkv_duos_sd/linux/cvitek_cv1813h_milkv_duos_sd_defconfig
@@ -417,6 +417,7 @@ CONFIG_USB_CONFIGFS=y
 CONFIG_USB_CONFIGFS_SERIAL=y
 CONFIG_USB_CONFIGFS_RNDIS=y
 CONFIG_USB_CONFIGFS_ACM=y
+CONFIG_USB_CONFIGFS_NCM=y
 CONFIG_USB_CONFIGFS_F_UAC1=y
 # CONFIG_USB_AUDIO is not set
 CONFIG_USB_ROLE_SWITCH=y
diff --git a/device/common/br_overlay/etc/run_usb.sh b/device/common/br_overlay/etc/run_usb.sh
index 760c70284..91e1f5cd0 100755
--- a/device/common/br_overlay/etc/run_usb.sh
+++ b/device/common/br_overlay/etc/run_usb.sh
@@ -5,12 +5,14 @@ MSC_PID=0x1008
 RNDIS_PID=0x1009
 UVC_PID=0x100A
 UAC_PID=0x100B
+NCM_PID=0x100C
 ADB_VID=0x18D1
 ADB_PID=0x4EE0
 ADB_PID_M1=0x4EE2
 ADB_PID_M2=0x4EE4
 MANUFACTURER="Cvitek"
 PRODUCT="USB Com Port"
+PRODUCT_NCM="NCM"
 PRODUCT_RNDIS="RNDIS"
 PRODUCT_UVC="UVC"
 PRODUCT_UAC="UAC"
@@ -39,6 +41,11 @@ case "$2" in
   cvg)
 	CLASS=cvg
 	;;
+  ncm)
+	CLASS=ncm
+	PID=$NCM_PID
+	PRODUCT=$PRODUCT_NCM
+	;;
   rndis)
 	CLASS=rndis
 	PID=$RNDIS_PID
@@ -62,7 +69,7 @@ case "$2" in
 	;;
   *)
 	if [ "$1" = "probe" ] ; then
-	  echo "Usage: $0 probe {acm|msc|cvg|rndis|uvc|uac1|adb}"
+	  echo "Usage: $0 probe {acm|msc|cvg|ncm|rndis|uvc|uac1|adb}"
 	  exit 1
 	fi
 esac
@@ -86,6 +93,11 @@ res_check() {
   EP_IN=$(($EP_IN+$TMP_NUM))
   EP_OUT=$(($EP_OUT+$TMP_NUM))
   INTF_NUM=$(($INTF_NUM+$TMP_NUM))
+  TMP_NUM=$(find $CVI_GADGET/functions/ -name "ncm*" | wc -l)
+  TMP_NUM=$(($TMP_NUM * 2))
+  EP_IN=$(($EP_IN+$TMP_NUM))
+  EP_OUT=$(($EP_OUT+$TMP_NUM))
+  INTF_NUM=$(($INTF_NUM+$TMP_NUM))
   TMP_NUM=$(find $CVI_GADGET/functions/ -name "rndis*" | wc -l)
   EP_OUT=$(($EP_OUT+$TMP_NUM))
   TMP_NUM=$(($TMP_NUM * 2))
@@ -117,6 +129,10 @@ res_check() {
     EP_IN=$(($EP_IN+1))
     EP_OUT=$(($EP_OUT+1))
   fi
+  if [ "$CLASS" = "ncm" ] ; then
+    EP_IN=$(($EP_IN+1))
+    EP_OUT=$(($EP_OUT+1))
+  fi
   if [ "$CLASS" = "rndis" ] ; then
     EP_IN=$(($EP_IN+2))
     EP_OUT=$(($EP_OUT+1))
@@ -197,6 +213,9 @@ probe() {
   if [ "$CLASS" = "mass_storage" ] ; then
     echo $MSC_FILE >$CVI_GADGET/functions/$CLASS.usb$FUNC_NUM/lun.0/file
   fi
+  if [ "$CLASS" = "ncm" ] ; then
+    ln -s $CVI_FUNC/ncm.usb$FUNC_NUM $CVI_GADGET/configs/c.1
+  fi
   if [ "$CLASS" = "rndis" ] ; then
     #OS STRING
     echo 1 >$CVI_GADGET/os_desc/use
@@ -284,7 +303,7 @@ case "$1" in
 	ls /sys/class/udc/ >$CVI_GADGET/UDC
 	;;
   *)
-	echo "Usage: $0 probe {acm|msc|cvg|uvc|uac1} {file (msc)}"
+	echo "Usage: $0 probe {acm|msc|cvg|ncm|uvc|uac1} {file (msc)}"
 	echo "Usage: $0 start"
 	echo "Usage: $0 stop"
 	exit 1
diff --git a/device/milkv-duo-spinand/overlay/mnt/system/usb-ncm.sh b/device/milkv-duo-spinand/overlay/mnt/system/usb-ncm.sh
new file mode 100755
index 000000000..82d928cf0
--- /dev/null
+++ b/device/milkv-duo-spinand/overlay/mnt/system/usb-ncm.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+/etc/uhubon.sh device >> /tmp/ncm.log 2>&1
+/etc/run_usb.sh probe ncm >> /tmp/ncm.log 2>&1
+if test -e /usr/bin/burnd; then
+  /etc/run_usb.sh probe acm >> /tmp/ncm.log 2>&1
+fi
+/etc/run_usb.sh start ncm >> /tmp/ncm.log 2>&1
+
+sleep 0.5
+ifconfig usb0 192.168.42.1
+
+count=`ps | grep dnsmasq | grep -v grep | wc -l`
+if [ ${count} -lt 1 ] ;then
+  echo "/etc/init.d/S80dnsmasq start" >> /tmp/ncm.log 2>&1
+  /etc/init.d/S80dnsmasq start >> /tmp/ncm.log 2>&1
+fi
+
+sleep 2
+mkdir -p /lib/firmware
+if test -e /usr/bin/burnd; then
+  burnd &
+  if test -e /lib/firmware/arduino.elf; then
+    sleep 2
+    echo stop  > /sys/class/remoteproc/remoteproc0/state
+    echo start > /sys/class/remoteproc/remoteproc0/state
+  fi
+fi
diff --git a/device/milkv-duo-spinor/overlay/mnt/system/usb-ncm.sh b/device/milkv-duo-spinor/overlay/mnt/system/usb-ncm.sh
new file mode 100755
index 000000000..82d928cf0
--- /dev/null
+++ b/device/milkv-duo-spinor/overlay/mnt/system/usb-ncm.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+/etc/uhubon.sh device >> /tmp/ncm.log 2>&1
+/etc/run_usb.sh probe ncm >> /tmp/ncm.log 2>&1
+if test -e /usr/bin/burnd; then
+  /etc/run_usb.sh probe acm >> /tmp/ncm.log 2>&1
+fi
+/etc/run_usb.sh start ncm >> /tmp/ncm.log 2>&1
+
+sleep 0.5
+ifconfig usb0 192.168.42.1
+
+count=`ps | grep dnsmasq | grep -v grep | wc -l`
+if [ ${count} -lt 1 ] ;then
+  echo "/etc/init.d/S80dnsmasq start" >> /tmp/ncm.log 2>&1
+  /etc/init.d/S80dnsmasq start >> /tmp/ncm.log 2>&1
+fi
+
+sleep 2
+mkdir -p /lib/firmware
+if test -e /usr/bin/burnd; then
+  burnd &
+  if test -e /lib/firmware/arduino.elf; then
+    sleep 2
+    echo stop  > /sys/class/remoteproc/remoteproc0/state
+    echo start > /sys/class/remoteproc/remoteproc0/state
+  fi
+fi
diff --git a/device/milkv-duo/overlay/mnt/system/usb-ncm.sh b/device/milkv-duo/overlay/mnt/system/usb-ncm.sh
new file mode 100755
index 000000000..82d928cf0
--- /dev/null
+++ b/device/milkv-duo/overlay/mnt/system/usb-ncm.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+/etc/uhubon.sh device >> /tmp/ncm.log 2>&1
+/etc/run_usb.sh probe ncm >> /tmp/ncm.log 2>&1
+if test -e /usr/bin/burnd; then
+  /etc/run_usb.sh probe acm >> /tmp/ncm.log 2>&1
+fi
+/etc/run_usb.sh start ncm >> /tmp/ncm.log 2>&1
+
+sleep 0.5
+ifconfig usb0 192.168.42.1
+
+count=`ps | grep dnsmasq | grep -v grep | wc -l`
+if [ ${count} -lt 1 ] ;then
+  echo "/etc/init.d/S80dnsmasq start" >> /tmp/ncm.log 2>&1
+  /etc/init.d/S80dnsmasq start >> /tmp/ncm.log 2>&1
+fi
+
+sleep 2
+mkdir -p /lib/firmware
+if test -e /usr/bin/burnd; then
+  burnd &
+  if test -e /lib/firmware/arduino.elf; then
+    sleep 2
+    echo stop  > /sys/class/remoteproc/remoteproc0/state
+    echo start > /sys/class/remoteproc/remoteproc0/state
+  fi
+fi
diff --git a/device/milkv-duo/overlay/mnt/system/usb.sh b/device/milkv-duo/overlay/mnt/system/usb.sh
index 3827f5be8..f947e921e 120000
--- a/device/milkv-duo/overlay/mnt/system/usb.sh
+++ b/device/milkv-duo/overlay/mnt/system/usb.sh
@@ -1 +1 @@
-usb-rndis.sh
\ No newline at end of file
+usb-ncm.sh
\ No newline at end of file
diff --git a/device/milkv-duo256m-spinand/overlay/mnt/system/usb-ncm.sh b/device/milkv-duo256m-spinand/overlay/mnt/system/usb-ncm.sh
new file mode 100755
index 000000000..82d928cf0
--- /dev/null
+++ b/device/milkv-duo256m-spinand/overlay/mnt/system/usb-ncm.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+/etc/uhubon.sh device >> /tmp/ncm.log 2>&1
+/etc/run_usb.sh probe ncm >> /tmp/ncm.log 2>&1
+if test -e /usr/bin/burnd; then
+  /etc/run_usb.sh probe acm >> /tmp/ncm.log 2>&1
+fi
+/etc/run_usb.sh start ncm >> /tmp/ncm.log 2>&1
+
+sleep 0.5
+ifconfig usb0 192.168.42.1
+
+count=`ps | grep dnsmasq | grep -v grep | wc -l`
+if [ ${count} -lt 1 ] ;then
+  echo "/etc/init.d/S80dnsmasq start" >> /tmp/ncm.log 2>&1
+  /etc/init.d/S80dnsmasq start >> /tmp/ncm.log 2>&1
+fi
+
+sleep 2
+mkdir -p /lib/firmware
+if test -e /usr/bin/burnd; then
+  burnd &
+  if test -e /lib/firmware/arduino.elf; then
+    sleep 2
+    echo stop  > /sys/class/remoteproc/remoteproc0/state
+    echo start > /sys/class/remoteproc/remoteproc0/state
+  fi
+fi
diff --git a/device/milkv-duo256m-spinor/overlay/mnt/system/usb-ncm.sh b/device/milkv-duo256m-spinor/overlay/mnt/system/usb-ncm.sh
new file mode 100755
index 000000000..82d928cf0
--- /dev/null
+++ b/device/milkv-duo256m-spinor/overlay/mnt/system/usb-ncm.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+/etc/uhubon.sh device >> /tmp/ncm.log 2>&1
+/etc/run_usb.sh probe ncm >> /tmp/ncm.log 2>&1
+if test -e /usr/bin/burnd; then
+  /etc/run_usb.sh probe acm >> /tmp/ncm.log 2>&1
+fi
+/etc/run_usb.sh start ncm >> /tmp/ncm.log 2>&1
+
+sleep 0.5
+ifconfig usb0 192.168.42.1
+
+count=`ps | grep dnsmasq | grep -v grep | wc -l`
+if [ ${count} -lt 1 ] ;then
+  echo "/etc/init.d/S80dnsmasq start" >> /tmp/ncm.log 2>&1
+  /etc/init.d/S80dnsmasq start >> /tmp/ncm.log 2>&1
+fi
+
+sleep 2
+mkdir -p /lib/firmware
+if test -e /usr/bin/burnd; then
+  burnd &
+  if test -e /lib/firmware/arduino.elf; then
+    sleep 2
+    echo stop  > /sys/class/remoteproc/remoteproc0/state
+    echo start > /sys/class/remoteproc/remoteproc0/state
+  fi
+fi
diff --git a/device/milkv-duo256m/overlay/mnt/system/usb-ncm.sh b/device/milkv-duo256m/overlay/mnt/system/usb-ncm.sh
new file mode 100755
index 000000000..82d928cf0
--- /dev/null
+++ b/device/milkv-duo256m/overlay/mnt/system/usb-ncm.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+/etc/uhubon.sh device >> /tmp/ncm.log 2>&1
+/etc/run_usb.sh probe ncm >> /tmp/ncm.log 2>&1
+if test -e /usr/bin/burnd; then
+  /etc/run_usb.sh probe acm >> /tmp/ncm.log 2>&1
+fi
+/etc/run_usb.sh start ncm >> /tmp/ncm.log 2>&1
+
+sleep 0.5
+ifconfig usb0 192.168.42.1
+
+count=`ps | grep dnsmasq | grep -v grep | wc -l`
+if [ ${count} -lt 1 ] ;then
+  echo "/etc/init.d/S80dnsmasq start" >> /tmp/ncm.log 2>&1
+  /etc/init.d/S80dnsmasq start >> /tmp/ncm.log 2>&1
+fi
+
+sleep 2
+mkdir -p /lib/firmware
+if test -e /usr/bin/burnd; then
+  burnd &
+  if test -e /lib/firmware/arduino.elf; then
+    sleep 2
+    echo stop  > /sys/class/remoteproc/remoteproc0/state
+    echo start > /sys/class/remoteproc/remoteproc0/state
+  fi
+fi
diff --git a/device/milkv-duo256m/overlay/mnt/system/usb.sh b/device/milkv-duo256m/overlay/mnt/system/usb.sh
index 3827f5be8..f947e921e 120000
--- a/device/milkv-duo256m/overlay/mnt/system/usb.sh
+++ b/device/milkv-duo256m/overlay/mnt/system/usb.sh
@@ -1 +1 @@
-usb-rndis.sh
\ No newline at end of file
+usb-ncm.sh
\ No newline at end of file
diff --git a/device/milkv-duos-sd/overlay/mnt/system/usb-ncm.sh b/device/milkv-duos-sd/overlay/mnt/system/usb-ncm.sh
new file mode 100755
index 000000000..82d928cf0
--- /dev/null
+++ b/device/milkv-duos-sd/overlay/mnt/system/usb-ncm.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+/etc/uhubon.sh device >> /tmp/ncm.log 2>&1
+/etc/run_usb.sh probe ncm >> /tmp/ncm.log 2>&1
+if test -e /usr/bin/burnd; then
+  /etc/run_usb.sh probe acm >> /tmp/ncm.log 2>&1
+fi
+/etc/run_usb.sh start ncm >> /tmp/ncm.log 2>&1
+
+sleep 0.5
+ifconfig usb0 192.168.42.1
+
+count=`ps | grep dnsmasq | grep -v grep | wc -l`
+if [ ${count} -lt 1 ] ;then
+  echo "/etc/init.d/S80dnsmasq start" >> /tmp/ncm.log 2>&1
+  /etc/init.d/S80dnsmasq start >> /tmp/ncm.log 2>&1
+fi
+
+sleep 2
+mkdir -p /lib/firmware
+if test -e /usr/bin/burnd; then
+  burnd &
+  if test -e /lib/firmware/arduino.elf; then
+    sleep 2
+    echo stop  > /sys/class/remoteproc/remoteproc0/state
+    echo start > /sys/class/remoteproc/remoteproc0/state
+  fi
+fi
diff --git a/device/milkv-duos-sd/overlay/mnt/system/usb.sh b/device/milkv-duos-sd/overlay/mnt/system/usb.sh
index 3827f5be8..f947e921e 120000
--- a/device/milkv-duos-sd/overlay/mnt/system/usb.sh
+++ b/device/milkv-duos-sd/overlay/mnt/system/usb.sh
@@ -1 +1 @@
-usb-rndis.sh
\ No newline at end of file
+usb-ncm.sh
\ No newline at end of file